Jaeger LeCoultre® calibre # 838 setting lever spring Fits calibers: 838, 839 watch testing and timing machines The 10 mm replacement pusher

The 10 mm replacement pusher is then used to push the Bushing into place

alarm ratchet wheel to fit Jaeger LeCoultre® calibres: 489

This magnifier is ideal for watchmakers

Omega® 8500B

Stem number 351-578

Jaeger LeCoultre® calibre # 838 setting lever spring Fits calibers: 838, 839 watch testing and timing machines The 10 mm replacement pusherJaeger LeCoultre setting lever spring, part # 445, calibre # 838 setting lever spring to fit Jaeger LeCoultre calibres: 838, 839 *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.