Jaeger-LeCoultre caliber 631

Brand:Jaeger-LeCoultre
Reference:631
Movement:Quartz
Display:Analog
Jewels:25
Date:Date
Chronograph:Chronograph
Hands:Hours, Minutes, Small Seconds

Description

The JLC caliber 631 'Mechaquartz' caliber is a movement with a quartz base powering a mechanical chronograph; it has a total of 233 parts and can be considered quite complicated. It was most notably used by JLC itself and IWC.

All watches using this caliber: