Calibre catalogue / Tourbillon — Automatic / 3L20E
Click the movement to magnify it. Once zoomed, scroll to go closer and drag to move around.
3L20E 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
3L20E
30 Series
- —Automatic tourbillon
| Specification | |
|---|---|
| Size | 27 mm (1.063 in) |
| Height | 5.85 mm (0.230 in) |
| Jewels | 31 |
| Frequency | 28,800 vph (4 Hz) |
| Power reserve | 48 h |
| Finish colour | Platinum tone |
Check dimensions against the fitting drawing before tooling a case.
