A. Lange & Söhne caliber L121.1

A. Lange & Söhne caliber L121.1
Brand:A. Lange & Söhne
Reference:L121.1
Movement:Handwound
Display:Analog
Diameter:30.60
Jewels:43
Reserve:72
Frequency:21600
Date:Big Date
Hands:Hours, Minutes, Small Seconds
Additionals:Power Reserve Indicator

Description

Apart from familiar hallmarks such as the twin mainspring barrel with a power reserve of 72 houres, the 2015 calibre L121.1 has an escapement featuring a balance wheel with eccentric poising weights as well as a freely oscillating balance spring crafted in-house. Beneath the hand-engraved balance cock, the balance beats at a frequency of 21,600 semi-oscillations per hour and assures high rate accuracy.

Calibers based on the A. Lange & Söhne L121.1:

All watches using this caliber: