Jaeger LeCoultre® calibre # 840 mainspring fhs 340 movement parts This movement uses 371 battery

This movement uses 371 battery

or balance

Adjustable Flex Shaft Holder Attaches to bench and adjusts from 26" to 41" (63 to 104cm)

Generic Threaded Waterproof Crown to fit Tag Heuer® CN-H012

Yellow Plated Leather Buckle Assortment an assortment of 8 leather strap buckles

Jaeger LeCoultre® calibre # 840 mainspring fhs 340 movement parts This movement uses 371 batteryJaeger LeCoultre mainspring, part # 770, calibre # 840 mainspring to fit Jaeger LeCoultre calibres: 840 *Perrin Supply Ltd is independent of and not affiliated with or sponsored by Jaeger LeCoultre. Jaeger LeCoultre warranty does not apply to parts supplied byPerrin Supply Ltd. Using generic parts may devalue your watch.