Calibre catalogue / Tourbillon — Classic / 31A0E
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31A0E 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.
Tourbillon — Classic
31A0E
31 Series
- —Tourbillon
- —Hours and minutes
| Specification | |
|---|---|
| Size | 30 mm (1.181 in) |
| Height | 4.9 mm (0.193 in) |
| Jewels | 23 |
| Frequency | 28,800 vph (4 Hz) |
| Power reserve | 60 h |
| Finish colour | Platinum tone |
Check dimensions against the fitting drawing before tooling a case.
