Calibre catalogue / Automatic / 1603A
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1603A 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.
Automatic
1603A
1 Series
- —Centre seconds
- —Automatic
- —Open-heart
- —Exposed balance
| Specification | |
|---|---|
| Size | 28 mm (1.102 in) |
| Height | 5.6 mm (0.220 in) |
| Jewels | 23 |
| Frequency | 28,800 vph (4 Hz) |
| Power reserve | 48 h |
| Finish colour | White |
Check dimensions against the fitting drawing before tooling a case.
