About this caliber
Baume & Mercier caliber BM12-1975A is a self-winding movement with a power reserve of five days. It was developed by ValFleurier, Richemont's movement specialists. It is fitted with a TwinSpir balance spring made of two layers of silicon, plus a Powerscape escapement with both escape wheel and lever made of the same material.
Technical details
- Movement
- AUTOMATIC
- Display
- Analog
- Jewels
- 21
- Power reserve
- 120 hours
- Frequency
- 28,800 vph (4.0 Hz)
- Hands
- Hands: Hours, Minutes, Seconds
- Diameter
- 28.2 mm
- Height
- -
- Parts
- -