ETA
ETA 2892-A2
Swiss lever · introduced 1975
Beat rate
28,800 vph
Power reserve
42h
Jewels
21
Introduced
1975
Escapement
Swiss lever
The 2892-A2 sits a tier above the 2824-2 in ETA's lineup, prized for its slim 3.6 mm height and suitability as a module host for complications. Many luxury-adjacent brands plate, engrave, or chamfer it as a finishing exercise. It is one of the most widely used base movements for chronograph and GMT modules.
Specifications
Beats per hour
28,800
Jewels
21
Power reserve
42h
Diameter
25.6mm
Height
3.6mm
Escapement
Swiss lever
Introduced
1975
Finishing
Commercial
Service interval
5 years
Service cost tier
Entry
Complications
date
Known service issues
- Quickset date lever spring fracture on high-frequency crown-set use
- Module stack can transmit vibration to the base if the interface screws loosen
Notable in
- IWC Portofino Automatic (base for 30110)
- Omega De Ville Prestige (early versions)
- TAG Heuer Aquaracer (pre-caliber 5)
- Breitling Colt Automatic (pre-B17)
References in our catalog using this caliber
- IWC Pilot Mark XV IW3253011999–2006
- Cartier Ballon Bleu de Cartier 42mm W69200952007–present
- Bell & Ross BR 03-92 Steel BR0392-BLC-ST/SCA2005–present
- Bell & Ross BR 03-92 Diver BR0392-D-BL-ST/SRB2018–present
- Baume & Mercier Riviera Automatic 42mm M0A106212021–present
- Alpina Alpiner 4 Automatic AL-525G4A62014–present
- Alpina Startimer Pilot Automatic AL-860G4S62016–present
- Alpina Seastrong Diver 300 AL-525LBG4V62017–present
- Raymond Weil Freelancer Automatic 42mm 2740-ST-200012015–present
- Raymond Weil Maestro Automatic Date 2237-ST-006592016–present
- Baume & Mercier Classima Automatic 40mm M0A105482020–present
- Bell & Ross BR 03-92 Skull Steel BR0392-SKULL-CE/SCA2014–present
Buying advice
Practical guides for buying a watch with this caliber on the pre-owned market: