Calibre catalogue / Tourbillon — Twin barrel / 3401E
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3401E 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 — Twin barrel
3401E Hand-wound twin-barrel tourbillon movement
34 Series
3401E has the following listed functions: Tourbillon · Twin barrel · Hours and minutes · Fine finishing. Its documented specifications are 33 mm diameter; 5.3 mm height; 26 jewels; 28,800 vph (4 Hz); 72 h power reserve; finish colour: Platinum tone.
- —Tourbillon
- —Twin barrel
- —Hours and minutes
- —Fine finishing
| Specification | |
|---|---|
| Size | 33 mm (1.299 in) |
| Height | 5.3 mm (0.209 in) |
| Jewels | 26 |
| Frequency | 28,800 vph (4 Hz) |
| Power reserve | 72 h |
| Finish colour | Platinum tone |
Check dimensions against the fitting drawing before tooling a case.
Every movement inspected · Individual QC certificate · Explore our quality checks
How to order
Prices on request. Samples available. Made to order, approximately 8–10 weeks. Finishing by Memorigin optional.
Same base calibre
Variants
3400E
Tourbillon — Twin barrel
Tourbillon · Twin barrel · Hours and minutes
33 mm · 5.3 mm · 72 h
3402E
Tourbillon — Twin barrel
Tourbillon · Twin barrel · Hours and minutes · Fine finishing
33 mm · 5.3 mm · 72 h
3403E
Tourbillon — Twin barrel
Tourbillon · Twin barrel · Hours and minutes · Fine finishing
33 mm · 5.3 mm · 72 h
3408E
Tourbillon — Classic
Tourbillon · Hours and minutes
33 mm · 5.3 mm · 72 h
3410E
Tourbillon — Complicated
Tourbillon · Power-reserve indicator · Twin barrel · Day/night indicator · Hours and minutes
33 mm · 5.3 mm · 72 h
3415E
Tourbillon — Complicated
Tourbillon · Power-reserve indicator · Day/night indicator · Hours and minutes · Fine finishing
33 mm · 5.3 mm · 72 h
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