ETA 2892-A2 PDF

June 30, 2020   |   by admin

The ETA A2 is the upper-range automatic movement from ETA. It is commonly found in “upscale” Swiss watches, while the older and. Brand ETA Caliber Number A2 Base Caliber ETA Movement Type Automatic Jewels 21 Diameter 11 1/2”’ (mm) Height mm. For ETA Disassembly/Assembly Interactive Guide: click here. Elaborated Grade; Incabloc Shock System; Gilt Nickel Balance; Decorated with Geneva.

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Their aim is to develop and create movements for watch manufactures, from relatively cheap quartz movements to mechanical movements with complications such as calendars dta chronographs.

Many of their movements find their way in watch brands of the Swatch Group, such as the Swatch watches, Certina and Tissot for example.

Mostly generic movements, that are the same for several brands. For certain brands, such as LonginesETA creates movements that 2892-s2 exclusively done for them. In most cases, it is because the watch manufacture is not capable — or does not have the financial resources — to develop and manufacture a movement themselves.

This applies to small independent or even micro brands, but also to big and famous brands. For example, when Omega decided to move away from 3rd party movements ETA and others and focus on in-house developed watch movements, the investment for their in-house Co-Axial chronograph caliber movement was approximately million Swiss Francs.

Even for large brands such as Omega that is a lot of money. Thanks to their experience and their massive size, ETA is able to create movements that simply work and work and work. Most of the newly introduced in-house movements need some time 292-a2 proof themselves worthy, and often require many iterations along the way becoming a burden for some watchmakers, to keep track of the changes. Of course, buying a timepiece with an in-house developed movement has its charm and certainly makes a watch more exclusive.

Often, the proof of the pudding is in the eating and regarding movements, this can take up to years. Of course, there are other advantages as well for using ETA movements. 2892-2a a watch from a small brand with in-house movement, you fta to rely on their continuity, capacity and skills when it comes to servicing or having to repair a movement in the future.


With an ETA movement, this is no issue. Most watchmakers can work with ETA they probably even practiced on these a lot during their schooling and traineeshipsthe supply of parts for ETA movements is not exclusive to certified service departments only, and because there are so many, the costs are relatively low. Of course, there are many reasons to choose for a watch with an in-house movement. Of course, there are little adjustments and tweaks they can do to have a new layout of the dial, but this might also mean there are more concerns in terms of reliability.

Developing and manufacturing in-house movements means that they can tailor the movements in such way, it is a perfect fit to the watch they have in mind. Not only that, but they can also opt for certain technical solutions they prefer over the standards solutions. Think escapements, winding mechanisms, regulating organ. Mind you, in some cases it is not exactly clear that a watch manufacture is using an ETA based movementas they redub these caliber numbers to their own numbering.

ETA A2 | Manufacture Horlogère Suisse | ETA SA

In many cases, the ETA movements used by companies such as IWC and Tudorare heavily modified and finished up to their own high standards. Also, a final note before we get to the overview, is that the ETA movements can be delivered in different grades.

These different grades reference the various levels of accuracy ETA can guarantee. ETA uses definitions such as Standard, Elaborated, Top and Chronometer to indicate how accurate their movements are regulated. Not all versions are available to all ETA calibers. Not only does the grade concern accuracy, it also refers to the degree of decoration optical finish of the movement. Briefly mentioned above as one of the basis calibers for watches from Tudor, this is one of the most commonly used ETA movements for a lot of brands.

ETA caliber 2892-A2

This self-winding movement has 21 jewels and ticks at 28,vph. This movement can be found in countless watches from all sorts of brands, it is — for many — the go-to movement if they need a solid workhorse. The ETA also comes as a chronometer grade movement. ETA caliber A2 has been on the market for decades, and generally used in the more expensive watches from big brands. IWC, Omega, Breitling and several other well-known brands rely or relied on this movement for ages.


This self-winding movement ticks at 28,VPH, has 21 jewels and a 2892-2a reserve of 42 hours. This means that a chronograph module has been installed on top of this ETAA2.

Often, this can be recognized by the line-up of the pushers and crown. The ETA Caliber is a dedicated chronograph movement, meaning that it was designed and constructed as a chronograph movement and is not a piggy-backing movement as described above. It was based on the legendary Valjoux hand-wound chronograph movement that was developed and introduced in The ETA is the self-winding version and comes in a couple of flavors.

Where the ETA has, besides the chronograph function, a day and date feature, the ETA for 2892a-2, comes with a month and moon phase indicator on top of that. You can find the ETA Caliber in many chronographs, as it is considered one of the most reliable workhorse chronograph movements on the market.

ETA movements: Great and reliable workhorses or mass production without soul?

From watches below Euro till very expensive watches, where the ETA most of the time has been beautifully decorated, or has been skeletonized for example.

You will also find them in much smaller and perhaps more unknown brands like Peter Speake-Marin and Alain Etta.

28922-a2 Unusual Love Story: Swiss Luxury Watches and Smart Technology. Great and reliable workhorses or mass production without soul? Tutima Grand Flieger Chronograph movement, Image: ETA and in-house movements Many of their movements find their way in watch brands of the Swatch Group, such as the Swatch watches, Certina and 28992-a2 for example.

IWC Schaffhausen inhouse movement, Image: Nomos inhouse movement, Image: Selected articles New Rolex Models at Baselworld Mar 21, by. May 27, by. Top 10 Perpetual Calendars. Feb 22, by.

ETA Caliber A2 Watch Movement |

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