A. Lange & Söhne caliber L961.4
Ref. L961.4
The A. Lange & Söhne caliber L961.4 is a handwound movement with a 72-hour power reserve, beats at 21,600 vph, and carries 51 jewels.
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
