BRANDS: ETA
ETA’s current compact compact watch movement family for ladies watches includes the Cal. 2671, 2678, and 2681.
ETA produced a variety of movements in the 2600 family since the 1970s. This includes both automatic and hand-winding variants, 7.75 and 8.75 ligne sizes, and 21,600 A/h and 28,800 A/h versions. In the table below, 8.75 ligne movements are denoted with an asterisk and currently-produced movements in bold.
| Calibre | Manual 21,600 A/h | Manual 28,800 A/h | Automatic 21,600 A/h | Automatic 28,800 A/h |
|---|---|---|---|---|
| Base | 2640 | 2660 | 2650 | 2670 |
| Date | 2641 2691* | 2661 | 2651 | 2671 2681* |
| Day/Date | 2648 | 2668 | 2658 2688* | 2678 |
| Date Moon Phase | 2675 2685* |
| Calibre | Start Year | End Year | Diameter (mm) | Diameter (ligne) | Height (mm) | Complications |
|---|---|---|---|---|---|---|
| ETA 2650 | 1971 | 1980 | 7.20 | 7.75 | 4.80 | |
| ETA 2660 | 1971 | 2004 | 17.20 | 7.75 | 3.50 | |
| ETA 2671 | 1971 | Current | 17.20 | 7.75 | 4.80 | Date, Hacking Seconds, Quick Date Correction, Semi-Instantaneous Date Change |
| ETA 2678 | 1971 | Current | 17.20 | 7.75 | 5.35 | Date, Day, Hacking Seconds, Quick Date Correction, Semi-Instantaneous Date Change |
| ETA 2681 | 1991 | Current | 19.40 | 8.75 | 4.80 | Date, Hacking Seconds, Quick Date Correction, Semi-Instantaneous Date Change |
| ETA 2688 | 1981 | 2001 | 19.40 | 8.75 | 5.35 | Date, Day, Hacking Seconds, Instant Date Change, Instant Day Change, Quick Date Correction |
