A. Lange & Söhne caliber L031.1

A. Lange & Söhne caliber L031.1
Brand:A. Lange & Söhne
Reference:L031.1
Movement:Handwound
Display:Analog
Diameter:34.10
Jewels:54
Reserve:72
Frequency:21600
Date:Big Date
Hands:Hours, Minutes, Small Seconds, Additional 12 Hour Hand (adjustable), Day / Night Indication
Additionals:Power Reserve Indicator

Description

Handwound movement with Shock-resistant screw balance, Nivarox® balance spring* with a frequency of 21,600 semi-oscillations per hour; whiplash precision index adjuster with patented beat-adjustment mechanism. Home time coupled with outsize date; zone time with city ring; separate day/night indicators for home and zone time; subsidiary-seconds dial; UP/DOWN power-reserve indicator; stop-seconds mechanism.

All watches using this caliber: