Calibre catalogue / Complication / 9B20A
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9B20A 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.
Complication
9B20A Hand-wound mechanical movement
9 Series
9B20A has the following listed functions: Second time zone · Hours and minutes · Day/night indicator · Small seconds. Its documented specifications are 37.2 mm diameter; 8.1 mm height; 29 jewels; 21,600 vph (3 Hz); 40 h power reserve; finish colour: White.
- —Second time zone
- —Hours and minutes
- —Day/night indicator
- —Small seconds
| Specification | |
|---|---|
| Size | 37.2 mm (1.465 in) |
| Height | 8.1 mm (0.319 in) |
| Jewels | 29 |
| Frequency | 21,600 vph (3 Hz) |
| Power reserve | 40 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.
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