Eta 7750 movement accuracy The Valjoux 7750 quickly ended production, only to be reborn in 1985 and has become one of the world’s leading watch movements since. My question is this normal for most Omega in house movements? 馃 Manufacturer ETA Caliber Number 2824-2 Movement Type Automatic, self-winding mechanical Lignes 11. If I wanted to make a >$1000 automatic chronograph, I'd use the NE88, absolutely, before I used an ETA chrono movement. Feb 8, 2015 路 The Longines L688. Dec 6, 2024 路 1. (Valjoux was bought by ETA some time ago, new 7750s are no longer marked "Val 7750" but "ETA 7750. The possibility to swap movements makes non-repairing or non-servicing of an 7750 a vital proposition. 9mm thick which helps to explain why most chronograph watches with the 7750 sit at 13mm to 17mm thick. A movement that has been around for as long as it has, that is as rugged as it is and can achieve chronometric accuracy must be a good movement. ” The movement itself sits at 7. Itself the subject of several evolutions, the 7750 is based on the Valjoux 7733 (which became part of ETA via merger), and was also based on the Venus 188, a company Valjoux purchased in 1966. The Hamilton H-31 and H-21 are based on the chronograph Valjoux movements 7753 and 7750. 6mm Thickness 4. ## **The ETA 7750 Movement: A Brief Overview** ETA, short for Ebauches SA (Swiss Watchmaking Company), is a subsidiary of Swatch Group that manufactures various types of movements, including the renowned Valjoux 7750. Variation of Hamilton's H-21 self-winding chronograph movement, here with silicon balance spring. 031. May 29, 2020 路 This has less to do with the modular nature of the 2892-plus-module arrangement and more to do with making sure the economics of making the movement make sense – the ETA 7750 is an admirable piece of engineering and is indeed a fully integrated chronograph movement, but at the same time, it reflects, in a number of respects, the goal of Dec 2, 2014 路 The ETA/Val 7750 series is an automatic chronograph movement and it combines the functions of a stopwatch with those of a regular watch. big-date from Shanghai, rattrapante from Liaoning) so it is quite likely that a triple-calendar/moonphase can be found. It all started from the Valjoux 7750; an integrated cam-operated, automatic chronograph movement. They’re designed to withstand the rigours of daily wear and provide accurate timekeeping over long periods. This opens up a new market in the after-sales area to Sellita too. Here is a Pic of My ETA C01. They undergo rigorous testing and quality control measures to ensure accuracy and durability. 2 is a column wheel chronograph movement built by ETA and based on the famous Valjoux 7750. The ETA 7750 is distinguished for its reliability, accuracy, and capacity for complex functions, making it an ideal choice for The ETA caliber 7754 is an automatic chronograph watch movement. The movement has a stop second and date function with quickset. The SM300 I recently got is crazy accurate +1 after 4 days. Introduced by ETA SA Manufacture Horlogère Suisse, this movement has earned its reputation for reliability and robustness. May 5, 2009 路 I've got the PRC200 with the ETA c01. As of 2019 , ETA produces the 7750, 7751, 7753, and 7754 as well as the derived ETA A05 line for Tissot and Rado and the larger Valgranges A07 line. Accuracy: Known for its accuracy, the ETA 7750 operates at a frequency of 28,800 vibrations per hour (4 Hz), ensuring precise timekeeping. AliExpress, the world's largest online marketplace, offers an extensive array of products from a diverse range of sellers, including the eta 7750 watch movement. Reliability: ETA movements are renowned for their reliability. Valjoux was a part of ETA before and the caliber 7750 they built is still a highly esteemed movement for its robustness and reliability; so much that the majority of mid-range mechanical chronograph watches in the market today keeps on using it. That means it's adjusted to 3 positions. The 7750 is one of the most used chrono movements ever. 50. Even a layman can quickly spot the differences between a classical column-wheel movement and this mechanism, which has straightforward stamped components and simple wire springs. Dec 13, 2010 路 Show me the Valjoux 7750 that can better that. Today I'm talking about whether ETA & Sellita movements, among the most common off the shelf movements in watches, are actually worth it in a market where mo Feb 18, 2020 路 Pre-talk. Since then, the automatic chronograph movement has been firmly anchored in the watch scene. From there on Caliber 7750, now belonging to what was referred to as ETA/Valjoux or simply ETA, would play a vital role in the fame and fortune of quite a few esteemed brands. Visually (from the dial side), you should be able to tell the difference: 7750. Accuracy has been within a +1 second per Mar 21, 2022 路 The Valjoux movements are ébauche (base) movements a step (or two) above; mostly used in higher range mechanical watches than those using the ETA movements. That is why we were comfortable in forging our collaboration with Sellita. It is essentially a Valjoux/ETA 7750. Many brands are more inclined toward the ETA 7753 classic 3-6-9 configuration or in this instance, a balanced and vintage-inspired bi-compax layout. 211 movement is worth the money, but that any watch collector should own a Valjoux 7750 as well. A 7750 with 30 years aging shows wear but works perfectly, their products show wear and functional problems at 5-10 years (or Nov 10, 2018 路 There are actually two Chinese manufacturers of 7750-clone movements; Shanghai and Liaoning Peacock. The two macros show the NE88 upper bridge and column wheel Seiko NE88 vs ETA 7750 The Seiko NE88 is undoubtedly an innovative movement and it is natural to compare it with the ETA 7750 (also known as Valjoux 7750), which has become over the decades one of the most durable and widely used calibers in modern era chronographs. Sep 6, 2019 路 Although the Valjoux 7750 is approaching its 50th birthday in great strides, it is not even remotely over the hill. Are the eta 7750 movements all made in the same factory or the same templates? Jan 7, 2009 路 The day dial is also retained by a little clip, whereas the ETA/Valjoux it just has a washer on top of it and the dial keeps it in place. Aug 6, 2022 路 The 7750 is a cam operated and is much lesser desirable than a column wheel movement, the movement itself costs between 350$-450$ not something that I would call high end. They use Eta movements as a benchmark, and even copying their profiles they are far from the longevity based on artificial aging tests. As a result of groundbreaking engineering, it has proven to be an immortal movement that is easy to service, reliable, accurate, universally sized, heavily modifiable, and even cloned by movement manufacturer Sellita to make the SW-500 (to meet the demand for non-ETA exclusive The movement in the watch is an ETA 7750. Sep 26, 2020 路 I’ve been collecting watches for over 30 years and I’ve never experienced a better chronograph movement than the legendary Valjoux 7750, both in reliability and accuracy! There’s really nothing better in my opinion! I have a 7750 in a Daniel Mink chronograph and in the Omega Speedmaster Automatic, model 3511. ETA 2824-2: The Reliable Workhorse The ETA 2824-2 is often referred to as the backbone of Swiss mechanical movement watches. It's hard enough to sell a $300-$700 three-hander and make a profit. I don't really care for the 7750, because it doesn't seem as well constructed as the c01. Fans of that brand had long since soured on Omega’s 33xx line of column wheel chronograph movements (3301, 3303, 3313) which had been produced by Piguet. The reverser wheel in the autowinder has the Shanghai five jewel clutch, not the two pawls as ETA prefers (making this a 30 jewel movement. SELLITA'S QUALITY IS PROVEN Omega version of ETA / Valjoux 7750. It is Swiss made with 25 jewels. Basiswerk - Basic movement 903 Var 903 Var 903 Var 18-1 18 Var 14 Var The movement in the watch is an ETA 7750. All watches using the Omega 1152 movement: 3519. Sep 27, 2013 路 However, If I skip a day of wear, then by the second day of sitting idle it has stopped (about 45 hours later). I gather Ball make some small modifications to it but may have read that wrong. This automatic workhorse is available in three grades – Elaborated (adjusted in three positions, average rate of +/- 5 seconds per day), Top (adjusted in five positions, average rate of +/- 4 seconds per day) and Chronometer (must meet Mar 2, 2007 路 Movement: G10. Also note that there is no difference between top and chronometer grades, save for the lemons weeded out with respect to the stricter accuracy and testing in the chronometer grade. As of 2/27/20, the official ETA website lists this caliber as unavailable. Sep 5, 2015 路 Which watch manufacturer provides or provided the highest quality interpretation of the ETA/Valjoux 7750 chronograph movement? I know ETA sells the 7750 in Elaboré, Top, and Chronometre grades. 08. Dec 14, 2014 路 Tissot ETA 7750 movement accuracy Jump to Latest 4. 00 Omega Speedmaster Date 40 Stainless Steel / Carbon / Bracelet / Schumacher 2001 Oct 25, 2017 路 A friend of mine is in development and prototyping at a prestigious movement maker. Oct 6, 2014 路 Many of the automatic Hamilton chronographs are equipped with the exclusive Swiss made H-31 and H-21 movements, both with a typical power reserve of 60 hours. Jul 15, 2011 路 The ETA 7750 is an amazing movement. On the contrary, watch manufacturers of all stripes have been relying on the workhorse for generations. There are also several variations, such as the 7751, 7753, and 7754, which mainly differ in the position of the subdials, date feature, and the absence or presence of a GMT hand or moon phase. Is it because they're such wonderful movements? May 24, 2024 路 The ETA Valjoux 7750 chronograph movement is well-known in the world of watchmaking for being tough, reliable, and versatile. 21. 5''' Diameter 25. 051. Find more 1511, 201230705 and 200000121 products. Model: PRS516 non chronograph (1 month old) Movement: ETA 2836-2 automatic Accuracy: + 15 seconds / day (still hoping it gets better during break in). 3. It has spawned a family of chronograph and time-only movements and is used as a base for many complications and third-party watch movements. 25'' Diameter 30mm Height 7. But better than the EP? Not a chance! Movement: Automatic; Diameter: 30mm; Jewels: 25; Power reserve: 42 hours; Frequency: 28,800 bph (4Hz) Complications: Time (incl. If you’re searching for a timepiece in the luxury watch market, ETA movements prove to be a good place to start. I have few watches with ETA 7750 and one with ETA 2894. Dec 4, 2007 路 so far, I've had experience with quartz watches only, but I'm now considering Tissot automatic watches, especially PRS516 auto non-chrono version (has eta 2836 movement inside) and PRC100 auto chrono (valjoux 7750). May 23, 2013 路 A great number of chronos use the ETA 7750 movement these days and I was under the impression that it would be a budget movement that offers acceptable accuracy but nothing to get excited about. O. Omega the sign of Excellence since 1848. 414. 614. 00 Tissot Couturier Chronograph Automatic 7750 Rose T044. As Valjoux is now a part of ETA The pictured example of the Hamilton caliber H21 was found in a Hamilton X-Wind Chronograph watch. Brand IWC Caliber Number 7922 Base Caliber ETA/Valjoux 7750 Movement Type Automatic Jewels 25 Power Reserve 44 hours Vibrations Per Hour 28,800 Shock System Incabloc Features Chronograph, day, date Country of Manufacture Switzerland Known Models 3704 Porsche Design Titan, 3706 Fliegerchronograph, 3707 GST IWC caliber 7922 is a Swiss made automatic chronograph watch movement with Oct 1, 2019 路 Naturally, the economizing to which Valjoux subjected the cal. 211 Frederique Constant Classics Manufacture - FC710 In-House Movement Jun 3, 2019 路 ETA 7750 Family Overview. 5 s/24 h. Chronograph subdials are at 3:00, 6:00, 9:00 (small seconds location Mar 30, 2010 路 Nothing wrong at all with the ETA/Valjoux 7750. Reactions: GrouchoM The ETA/Valjoux caliber 7751 is a 25 jewels Swiss made self-winding automatic movement. 90mm / . Enjoy Free Shipping Worldwide! Limited Time Sale Easy Return. However I do prefer more sophisticated movements (Zenith, Lemania, GO). The Breitling Caliber 13 is based on the well-known ETA Valjoux 7750 movement. Features: The ETA 7750 is known for its reliability and robustness. I read that IWC used to obtain Top grade examples and re-work them with so many of their own parts it was hardly a 7750 anymore. certified - thus I am led to believe it's an average quality movement with decent accuracy, but not more. Mar 6, 2011 路 Please note that the standard grade ETA 2892-A2 & 7750 movements don't exist. Aug 12, 2017 路 The 7750 is the "standard" chrono movement whereas the SW500 is a bit of a new kid on the block. Sep 4, 2023 路 3. Whether it’s a € 1,000 entry-level watch or a €10,000 luxury chronograph, the ETA Valjoux 7750 enjoys unimpeded popularity. This has been the workhorse for the modern best-selling Breitling watches—not only the Chronomat models, but also the iconic Old Navitimer (now discontinued). The Mido caliber 60 is an automatic cam type chronograph movement based on the ETA caliber A05. Aug 24, 2013 路 I feel the new ETA C01. Then, after sending it in for a light service recently (just oiling the escapement and some regulation), it turned into the most accurate movement I Jul 15, 2011 路 The ETA 7750 is an amazing movement. Quite a few years ago I had the opportunity to sample various versions alongside a watch with an ETA 7750 movement. This seems like it is operating normally for me. Four elements have been modified: - The spiral has been glittered to increase accuracy and stability. The ETA 7750 family is available in 3 grades, so lowest is Elabore grade, next is Top grade, and then Chronometer grade. g. The ETA 7750 is a mechanical watch movement that features a chronograph function, automatic winding system, day and date display, and operates at a beat rate of 28,800 vibrations per hour. Dec 12, 2018 路 The Valjoux 7750, better known as the ETA 7750, is the most widespread Swiss chronograph movement today. The ETA 2894-2 differs in that it uses a base 2892-2 with a chronograph module attached. Most of my 7750 running +/- 3 to 5 seconds; except 2 with -10 and -15 per day due to needed be serviced. Unfortunately the Chinese watches were of the kind that are supplied with an unoiled movement. 2022 ETA SA Manufacture Horlogère Suisse Sep 5, 2023 路 The 7750 comes in four grades, meaning the accuracy of the movement varies with each grade. 94mm Jewels 29 Vibrations Per Hour 28,800 (4Hz) Lift Angle Unconfirmed Power Reserve 68 hours Anti-Shock System Nivashock Chronograph System Cam/lever style, oscillating pinion Rotor Ball bearing system Calibre 16 is a self-winding chronograph with date, based on either the ETA 7750 or the Sellita SW500. History: The ETA 7750 automatic chronograph movement was first introduced in 1973 and is one of the most popular chronograph movements in the world. All watches using the TAG Heuer Calibre 16 movement: CAF2110. Jan 28, 2012 路 The SW 500 has been engineered in such a way that it can replace the ETA 7750 series on the dot. What is the expected accuracy of these movements, is valjoux 7750 generally much more precise than 2836? Mar 8, 2018 路 It's an expensive movement. 25''' Diameter 30mm Height 7. 9mm (unconfirmed) Jewels 27 Power Reserve 60 hours Beat Rate / Frequency 28,800 bph / 4 Hz Lift Angle 49 degrees Shock System Nivachoc Regulator Etachron Rotor System Ball bearing Chronograph System Cam style Chronograph Jan 13, 2020 路 We should note yet again that for many years, Sellita was one of the leading suppliers of movement parts to ETA (including the latter company's leading families of the 2824, 2892, and 7750 movements). Mar 1, 2022 路 Any watch connoisseur worth their salt knows that the Valjoux 7750—now known as ETA 7750—is probably the most popular automatic chronograph movement of all time. It is a 4hz movement (older models were 3hz) with a wide range of features that brands can implement. 25mm Shock Protection Novodiac / Incabloc (depending on grade) Regulator Etachron Rotor Type Ball bearing Oct 7, 2015 路 The Omega 1151 is Omega's version of the ETA 7751. C. Oct 11, 2016 路 The 7750 is one of the world’s most prolific chronograph movements. . This movement is based on the popular ETA caliber 7750, but with the addition of a 24 hours hand (GMT) complication for tracking a second time zone. I've found out from Fortis that the ETA 2936-2 is not tuned or C. Aug 21, 2018 路 I remember seeing one by Al (Archer) a while back on the 2824 vs SW200, but don't believe I've come across one between these two. With a height of only 3. It is an automatic (self-winding from the movements of the wrist), integrated chronograph with quickset date. Ignore the differences in finishing. The ETA (formerly Valjoux) 7750 is a robust and reliable automatic movement with an integrated cam-operated chronograph function. Jun 8, 2024 路 Quality: ETA movements are well known for their high quality. Manufacturer Sellita Caliber Number SW500 Based On ETA/Valjoux 7750 Movement Type Automatic, self-winding mechanical, chronograph Lignes 13. I just don't feel like making a >$1000 automatic chronograph. 00 Tissot PRS 516 Automatic Chrongraph Silver Brand Junghans Caliber Number J880. Generally, the lead time for an ETA movement can range from a few weeks to several months. To be honest, I have a co-worker that has a PRC 100 with the 7750 movement (model: T008. Jul 7, 2023 路 In 1973, inspired by the automatics of Zenith, Heuer, et al. So we manufacturers will not have to modify cases or dials. The production time for ETA movements can vary depending on the complexity of the movement and the availability of the parts. The ETA wheel is from an elaborate quality movement and the Sellita is their normal Dec 19, 2024 路 This is my first Omega. 211 quartz chronograph Accuracy: + 1 second / month. Jun 3, 2019 路 It was based on the Valjoux 7733, which was itself a variant of the Venus 188. The Valjoux 7750 [9] aka ETA 7750 an extremely popular movement used in the majority of mechanical chronograph watches on the market in 2004. The traditional mechanism used in the chronograph is known as the Column Wheel. The cal 7750 was developed by Valjoux long before this merge-up. 44mm Jewels 15 Beat Rate 21,600 bph, 3 Hz Lift Angle 48 degrees Accuracy See below Power Reserve 46 hours Hand Windable? Yes Hand Winding Direction Clockwise Anti-Shock System Novodiac, Nivachoc-B1 Hand Count 6 Hand Brand IWC Caliber Number 79350 Base Caliber ETA/Valjoux 7750 Movement Type Automatic Jewels 31 Power Reserve 44 hours Vibrations Per Hour 28,800 Shock System Incabloc Hacking? Yes COSC? Yes Features Hours, minutes, small seconds, central chronograph seconds, 30 minute counter Country of Manufacture Switzerland Known Models IWC Portuguese Chronograph This example of an IWC caliber H-21 Si description. Turning the watch over, the movement also shows some of the evolutions implemented over the years. H31 Base Caliber ETA 7753 Movement Type Automatic, self-winding mechanical, chronograph Lignes 13. 8K views 5 replies 2 participants last post by djordjepejakovic82 Jan 7, 2015 Later, when ETA movements became unavailable to watch brands outside of the Swatch Group, companies like TAG Heuer started using the next best Swiss made alternative: the Sellita SW500 (ETA 7750 clone movement). Manufacturer ETA Caliber Number C01. 211 Based On Lemania 5100 Movement Type Automatic, self-winding mechanical, chronograph Lignes 13. small seconds), Date, Day, Chronograph; The movement below is a clone of the ETA 7750. It also is available with day and date functions. 6 mm, it is barely thicker than the manual winding movement ETA 2801. H31. It was formerly known as Valjoux 7750 as the calibre was initially crafted by Valjoux, a Swiss-based movement-manufacturing company that was acquired by ETA in 1983. Apr 9, 2021 路 Currently there are two Chinese manufacturers producing 7750 clones: Shanghai (3L series) and Liaoning Peacock (4 series). Reactions: GrouchoM See full list on calibercorner. First introduced during the 1970s, at the peak of the quartz crisis, the movement offers a durable and inexpensive design, which is quite easy to mass-produce. This movement is from the same family as the caliber 7750, but with upgrades such as a longer barrel for an increased power reserve of 60 hours (hence, caliber 60 as the name). 211 movement, which is based off the Lemania 5100, as all the talk reveals. I was amazed by the accuracy, and would definitely go for this caliber again. Both offer several complication variants (e. 7750: Jan 25, 2022 路 ETA 7750. Sellita uses a different but technically similar profile. com Jun 5, 2011 路 it's also because the 7750, like the ETA289x, starts off at Elabore grade, not basic or standard grade. Conclusion. 75''' Diameter 31mm Height 8. Feb 18, 2020 路 Pre-talk. Originally called “VAL 7750” by ETA, it was later widely known as the Valjoux 7750 and now as the ETA 7750. Designed to withstand the demands of daily wear, this movement gained acclaim for its reliability, accuracy, and ease of servicing. Undoubtedly, the ETA 7750 is the most popular movement that ETA have ever come out with. Figure 1 shows the Sellita gear on the left and ETA gear on the right. 9mm Jewel Count 25 Vibrations Per Hour 28,800 (4 Hz) - early models were 21,600 Lift Angle 50 degrees Amplitude Min/Max 200 - 310 degrees Power Reserve 48 - 62 hours Shock System Incabloc Regulator Sep 5, 2015 路 Which watch manufacturer provides or provided the highest quality interpretation of the ETA/Valjoux 7750 chronograph movement? I know ETA sells the 7750 in Elaboré, Top, and Chronometre grades. Sep 22, 2018 路 The fact that Capt kept all the tools and drawings to make the 7750 was now considered a godsend, and production was resumed in the 1980s. BA0803 TAG Heuer Aquaracer 300M Calibre 16 41 Stainless Steel / Black / Bracelet Dec 4, 2024 路 The biggest difference is ETA has a proprietary tooth profile which they use in their calibers. ETA 7750. 7750 was not entirely without negative consequences. 9mm Jewels 25 Beat Rate 28,800 (4Hz) Lift Angle 49 degrees Power Reserve 48 hours Rotor Style Ball bearing system Rotor Winding Uni-Directional Hand-Windable? Yes Anti-Shock Device Incabloc or Nivachoc Balance Spring Nivarox Hand Count 6 Feb 16, 2020 路 The ETA/Valjoux 7750 is a very common chronograph movement with a huge pedigree: Valjoux 7750 (since 1973) Valjoux 7751 (since 1986) Valjoux 7753 (since 2002) Valjoux 7754 (since 3003) Valjoux 7757 (1985-2003) Valjoux 7758 or Valjoux 7750 CCL - "con cours de lune" (since 1985-2003) Valjoux 7760 (1985-2005) the handwounded 7750 version: 7750 vs 7753: The 7750 and 7753 are very similar. The movement was not as refined as Zenith’s El Primero or Heuer (et al. 1 Actual Caliber ETA 7750 Movement Type Automatic, self-winding mechanical Lignes 13. Sep 3, 2008 路 The Chronograph has a Valjoux 7750 movement, and the regular models have an ETA 2836-2 movement. 231 Based On ETA 7753 (3-6-9 chrono layout) Movement Type Automatic, self-winding mechanical, bi-compax chronograph Lignes 13 1/4''' Diameter 30mm Height 7. The two most consistently accurate movements I've had--big surprise--are the 7750 and the 289x. Rough, reliable and accurate - a work horse. In the 1970s, the ETA 7750 – also known as the Valjoux 7750 – finally made its debut. , the Vallée de Joux movement maker Ébauches SA adapted one of their old hand-cranked chronograph movements and released the Valjoux 7750 to little fanfare. The H-31 variant of the 7753 features a custom designed H pattern on the bridge, and engineered for increased accuracy and an increased 60 hours power reserve instead of 42 hours. Reply Found in the Hamilton Pan Europ limited edition watch, this caliber H-31 is based on the ETA/Valjoux 7753. View and Download eta 7750 technical communication online. ) These movements are currently referred to as "ETA 7750" or "Valjoux 7750", but ETA officially calls them "7750 Valjoux" to differentiate them from the Valgranges line. How Many Grades of ETA Movements Are There? ETA offers four grades of watch movements: Standard Elabore (Elaborated) Top Chronometer Accuracy Between Grades: These ratings may vary between specific caliber numbers, but here are the specs for the popular ETA caliber 2824-2: Standard – adjusted in two positions; accuracy of +/-12 sec/day up to +/- Apr 21, 2023 路 The venerable and humble Valjoux 7750 is the widespread beating heart of many self-winding-chronograph watches. Conclusion In conclusion, the ETA 7750 is a legendary automatic chronograph movement with a history of reliability and precision. )’s Calibre 11, but its relative crudeness is made Mar 1, 2022 路 Any watch connoisseur worth their salt knows that the Valjoux 7750—now known as ETA 7750—is probably the most popular automatic chronograph movement of all time. This high-quality, Swiss-made movement is a preferred choice for watch enthusiasts due to its accuracy, reliability, and precision. Feb 17, 2007 路 I've read many postings that highly recommend getting the Valjoux 7750, whenever possible, and that a <$500 watch with this movement is a great find. 11. Valjoux, however; was an independent movement manufacturer prior they merged with ETA. It is the sole manufacturer of the ETA Valjoux 7750 Swiss chronograph movement, which enjoys the status of being the best known and most widely used of Swiss movements. Manufactured since 1998, the ETA 2000-1 is the most recent version of this unusually thin yet elegant automatic movement. 211. ETA/Valjoux 7750 automatic movement The Valjoux 7750[9] a/k/a ETA 7750 is a widely used chronograph (stop watch) movement operated by cams integrated into the movement. Brand ETA / Valjoux Caliber Number A05. The materials in the 1151 are equivalent to the Top grade in the ETA, so the best balance spring and balance wheels materials are used, best mainspring material, etc. 16. I also understand, though, that the ETA 2824 is a very reliable work horse, and can be serviced just about anywhere. ETA/Valijoux 7750 - The most commonly used automatic movement with a chronograph complication. Have a closer look on how they are designed compared to an ETA/Valjoux 7750 and you will know why. S. Sep 28, 2015 路 ETA Movements Explained. ETA 7754 VS. It offers chronograph functionality and is equipped with 25 jewels. 36. ") Sep 15, 2007 路 The Valjoux 7750 is by far the most common swiss made chronograph movement in production, with the ETA 2894-2 in second with a 37 Jewel movement. MOVEMENT / CALIBER WINDING DIRECTION TURNS PER DAY (TPD) 7750: CW: 800 : 7751: CW: 800 : 7753: CW: 800 : 7754: CW: in this table, you may determine your ETA Mar 20, 2014 路 These movements are based on the extremely popular and well-loved ETA Valjoux 7750 and ETA 7753. Model: PR100 non chronograph (1998) Movement: ETA 2824-2 automatic Accuracy: - 5 seconds / day (after recent service and Buy ETA 7750 Movements High Accuracy Clone Modified Mechanical Movement Replacement Mechanism 3/6/9 Chrono at Aliexpress for . It was introduced to the world in 1974 and realized rapid success due to its highly functional and reliable integrated self-winding mechanism and design innovations which Accuracy: Known for its accuracy, the ETA 7750 operates at a frequency of 28,800 vibrations per hour (4 Hz), ensuring precise timekeeping. Don't get me wrong: although I don't own one, I think quite highly of the Valjoux 7750. 50mm / . The day dial is not interchangeable with the ETA/Valjoux. Feb 13, 2013 路 First,from wiki, basic info on the movement, Valjoux 7750. Chronograph subdial counters located at 6:00, 9:00 (small seconds location), 12:00; Day/Date at 3:00; 7753. Despite its "newness" I've not found the 500 to be in any way inferior to the 7750 and would quite happily buy another watch with the SW500 in it - especially a Sinn. 00) and I've worn it and used it a lot. Page 22 Operating system of movement mouvement Rouage, échappement et balancier Räderwerk, Hemmung und Unruh Wheel train, escapement and balance Système de chronographe Chronographensystem Chronograph system Coté cadran Zifferblattseite Dial side CT 7750 FDE 465595 17 24. One would think ETA probably perfected it by now after all these years of producing the movement, but Sellita were contracted to make quite a few for ETA so they must also have it down to a T with possibly newer tooling. This extremely multi-functional caliber is based on the legendary ETA/Valjoux caliber 7750 chronograph, but with additional complications including a full moon phase indicator at 6:00, a central date hand pointing to the date in the outer perimeter of the dial, day of the week and month windows at 12:00 Jul 12, 2022 路 First and foremost, gone is the traditional 7750 dial layout with 12-6-9 registers. 01 Tissot Couturier Chronograph Automatic 7750 Orange / Strap T035. Manufacturer ETA/Valjoux Caliber Number A05. In fact, the 7753 is based on the 7750. Since it was first introduced in the early 1970s, it has gained a strong reputation for being accurate and long-lasting, which has made it a favourite chronograph calibre among both watchmakers and enthusiasts. I disassembled it following the instructions of Eta’s Swisslab online tool. Accuracy has been within a +1 second per First introduced in the early 1970s, the Valjoux 7750 revolutionized watchmaking with its innovative cam-switching mechanism, offering a robust and efficient alternative to the traditional column wheel. [10] The Valjoux 7750 uses a three-plane cam system, the coulisse-lever escapement, rather than the traditional chronograph mechanism, the column wheel. One question. 7750 watch pdf manual download. T035. TAG documentation started showing the Calibre 16 being based on ETA 7750 or SW500 a least as far back as 2014. May 9, 2019 路 ETA 2000-1 – The extremely thin self-winding movement. They’re present as mechanical and automatic movements for many of the big names in the industry, so chances are you’ll be looking at several ETA movements when you’re starting a collection. The H-21 variant of the 7750 features a custom designed H pattern on the bridge, and engineered for increased accuracy and an increased 60 hours power reserve instead of 42 hours. 6mm Jewel Count 25 Beat Rate / Frequency 28,800 bph / 4Hz Lift Angle 50 degrees Power Reserve ~38 hours Hands 1. The Valjoux 7750 was introduced in 1974 and captures the essence of “economy of manufacture. ETA/Valjoux 7750 automatic movement. Not every 2824-2 is created equal though, there are 4 tiers of 2824-2 movements that ETA produces with the highest end ones being COSC certified. In conclusion, the ETA 7750 is a legendary automatic chronograph movement with a history of reliability and precision. There are some micro-brands making them, though. ETA 7750: This is a chronograph movement that is widely used in watches from brands like Tag Heuer, Breitling, and Sinn. The next big evolution of the Valgranges movement was a Co-Axial version for Omega. The ETA caliber is valued for its quality, which is reflected in its robustness, reliability, 54-hour power reserve and adaptability. I have a Breitling Chronomat Evolution with this movement, I wear it for 12 hours a day and the accuracy is: -0. lutf ohht eacx uyt bticxbk trrct qvpr aljofmf gqgphz uaczofi