ETA
ETA movements
5 ETA calibres on file (5 automatic), from the Swatch Group’s movement maker. Each row gives the ETA figures with their source; open a calibre for its drawing, care figures and what replaces it.
Sources checked · How we source numbers
ETA 28xx
All 4: 25.6 mm across, 28,800 bph.
Calibre faces and heights from the makers’ figures, all to one scale; the bar and each grid square are 10 mm. Not photos.
ETA 26xx
ETA figures in one table
Show the tables · 5 calibres, every figure with its source
ETA 28xx
ETA 26xx
A dash means ETA does not publish the figure or it is not in the documents we read; each calibre page says which.
ETA movement questions
Which ETA movement is the thinnest?
Of the calibres with a published height, the ETA 2892-A2 at 3.6 mm; the tallest is the ETA 2836-2 at 5.05 mm.
Which ETA movement runs longest on a full wind?
ETA 2671, at 44 h as ETA rates it; ETA 2824-2 42 h, ETA 2892-A2 42 h follow.
More movements
- NH35 vs ETA 2824-2Side-by-side comparison with drawings to scale
- TMI movementsTime Module, the Seiko Instruments arm that sells NH and VK calibres to other watch brands
- Seiko movementsSeiko’s own calibres, the ones inside Seiko-branded watches
- Miyota movementsCitizen’s movement maker, selling to other watch brands
- Sellita movementsthe Swiss maker whose SW calibres share the ETA 28xx layout
- Citizen movementsCitizen’s own calibres, including Eco-Drive
- Casio modulesCasio’s modules, the number printed on the case back
- All movementsCatalogue by maker and type
Sources
Documents checked · Report a wrong number
- 1ETA SA Manufacture Horlogère Suisse — Technical Communication CT 2824-2 (11 ½''' ETA 2824-2) · pdf · read
- 2ETA SA Manufacture Horlogère Suisse — Technical Communication CT 2836-2 (11 ½''' ETA 2836-2) · pdf · read
- 3ETA SA Manufacture Horlogère Suisse — Technical Communication CT 2892A2 (11 ½''' ETA 2892A2) · pdf · read
- 4ETA SA Manufacture Horlogère Suisse — Technical Communication CT 2893-2 (11 ½''' ETA 2893-2) · pdf · read
- 5ETA SA Manufacture Horlogère Suisse — Technical Communication CT 2671 (7 ¾''' ETA 2671) · pdf · read