Calibre catalogue / Tourbillon — Classic / 3T20E
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3T20E 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
3T20E
3T Series
- —Tourbillon
- —Hours and minutes
| Specification | |
|---|---|
| Size | 31 mm (1.220 in) |
| Height | 5.9 mm (0.232 in) |
| Jewels | 36 |
| Frequency | 21,600 vph (3 Hz) |
| Power reserve | 55 h |
| Finish colour | Platinum tone |
Check dimensions against the fitting drawing before tooling a case.
