A. Lange & Söhne · Movement
A. Lange & Söhne caliber L961.4
Ref. L961.4
Movement designation L961.4 Number of movement parts 381 Winding mechanism Manually wound movement Power reserve 72 hours Balance frequency 21,600 semi-oscillations per hour (3.0 Hz) Functions Outsize date, Tourbillon, Power-reserve indicator, power-reserve indicator
- Type
- Handwound
- Display
- Analog
- Power reserve
- 72 h
- Frequency
- 21600 vph
- Jewels
- 51
- Diameter
- 30.6 mm
- Complications
- Big Date, Hours, Minutes, Power Reserve Indicator, Small Seconds, Tourbillon Escapement
- Base caliber
- A. Lange & Söhne caliber L961.1
