Calibre catalogue / Tourbillon — Automatic / 3G31E
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3G31E 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 — Automatic
3G31E Automatic tourbillon movement
36 Series
3G31E has the following listed functions: Tourbillon · Hours and minutes at 6 o’clock · Automatic. Its documented specifications are 33 mm diameter; 7.05 mm height; 31 jewels; 28,800 vph (4 Hz); 60 h power reserve; finish colour: Platinum tone.
- —Tourbillon
- —Hours and minutes at 6 o’clock
- —Automatic
| Specification | |
|---|---|
| Size | 33 mm (1.299 in) |
| Height | 7.05 mm (0.278 in) |
| Jewels | 31 |
| Frequency | 28,800 vph (4 Hz) |
| Power reserve | 60 h |
| Finish colour | Platinum tone |
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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