About this caliber
Manually wound movement with tourbillon and perpetual calendar. Numbered and signed Breguet. Cal. 558QP2. 14 ½ lines, 21 jewels. Power reserve of 50 hours. Small seconds on the tourbillon axis. Lateral lever escapement and balance with adjustment screws on a Breguet spring. Frequency 2,5Hz. Adjusted in six positions.
Technical details
- Movement
- -
- Display
- Analog
- Jewels
- 21
- Power reserve
- 50 hours
- Frequency
- 28,800 vph (4.0 Hz)
- Hands
- Hands: Hours, Minutes, Small Seconds
Tourbillon Escapement
- Diameter
- 32.7 mm
- Height
- -
- Parts
- -