Calibre catalogue / Extended reserve / 7220A-3H
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7220A-3H 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
7220A-3H Hand-wound mechanical movement
7 Series
7220A-3H has the following listed functions: Small seconds · Date · Fine finishing. Its documented specifications are 30 mm diameter; 5.73 mm height; 27 jewels; 28,800 vph (4 Hz); 80 h power reserve; finish colour: White.
- —Small seconds
- —Date
- —Fine finishing
| Specification | |
|---|---|
| Size | 30 mm (1.181 in) |
| Height | 5.73 mm (0.226 in) |
| Jewels | 27 |
| Frequency | 28,800 vph (4 Hz) |
| Power reserve | 80 h |
| Finish colour | White |
| Crown position | 3 o’clock |
Check dimensions against the fitting drawing before tooling a case.
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How to order
Prices on request. Samples available. Made to order, approximately 8–10 weeks. Finishing by Memorigin optional.
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