A. Lange & Söhne caliber L961.4

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Brand:A. Lange & Söhne
Reference:L961.4
Base: A. Lange & Söhne L961.1
Movement:Handwound
Display:Analog
Diameter:30.60
Jewels:51
Reserve:72
Frequency:21600
Date:Big Date
Hands:Hours, Minutes, Small Seconds
Additionals:Power Reserve Indicator, Tourbillon Escapement

L961.4 description

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

All watches using the A. Lange & Söhne L961.4 movement:

A. Lange & Söhne Lange 1 Tourbillon Perpetual Calendar 25th Anniversary (722.066)

722.066 A. Lange & Söhne Lange 1 Tourbillon Perpetual Calendar 25th Anniversary