Jaeger-LeCoultre caliber 381

Jaeger-LeCoultre caliber 381
Brand:Jaeger-LeCoultre
Reference:381
Movement:Handwound
Display:Analog
Jewels:40
Reserve:50
Frequency:21600
Date:Date
Hands:Hours, Minutes, Seconds, Foudroyante Seconds
Astronomical:Moonphase

Description

Caliber 381 is built upon the 'Dual-Wing’ concept, featuring two independent power reserves, one of which, in this case, is devoted solely to precise time measurement while the other takes care of the functional displays.

Calibers based on the Jaeger-LeCoultre 381:

All watches using this caliber: