Calibre catalogue / Extended reserve / 7A27A
Click the movement to magnify it. Once zoomed, scroll to go closer and drag to move around.
7A27A fitting drawing (PDF)
Dimensions, stem height and hand fitting. Keyed to the base calibre, so sibling references share this drawing. Supplied for casing and fitting purposes only.
Extended reserve
7A27A
7 Series
- —Small seconds
- —Fine finishing
| Specification | |
|---|---|
| Size | 30 mm (1.181 in) |
| Height | 3.65 mm (0.144 in) |
| Jewels | 24 |
| Frequency | 28,800 vph (4 Hz) |
| Power reserve | 80 h |
| Finish colour | White |
Check dimensions against the fitting drawing before tooling a case.
Same base calibre
