Jaeger LeCoultre® calibre # 840 mounted block for escape wheel - upper and lower knives 32 teeth on the wheel

32 teeth on the wheel

using a 381 battery with hand dimensions 150/90/20 (hour/minute/small seconds)

An ideal way to sample and select the proper type of tweezer for most applications

Citizen H571M

Jaeger LeCoultre® calibre # 840 mounted block for escape wheel - upper and lower knives 32 teeth on the wheelJaeger LeCoultre mounted block for escape wheel upper and lower, part # 3925, calibre # 840 mounted block for escape wheel upper and lower 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.