Calibre catalogue / Extended reserve / 8220A
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8220A 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
8220A Hand-wound mechanical movement
8 Series
8220A has the following listed functions: Hours and minutes · Date · Small seconds · Fine finishing. Its documented specifications are 30 mm diameter; 5.73 mm height; 27 jewels; 28,800 vph (4 Hz); 72 h power reserve; finish colour: White.
- —Hours and minutes
- —Date
- —Small seconds
- —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 | 72 h |
| Finish colour | White |
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.
Same base calibre
Variants
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