Jaeger LeCoultre® calibre # 9UO intermediate ratchet wheel core - Fits calibers: 404, 407, 9UO 505 Series Ronda Pins are held in with

Pins are held in with a fixation screw

half-round

for lower end-piece to fit Jaeger LeCoultre® calibres: 9OL

yoke spring screw - small diameter to fit Jaeger LeCoultre® calibres: 825

black trim gold lines on 3/9 sides

Jaeger LeCoultre® calibre # 9UO intermediate ratchet wheel core - Fits calibers: 404, 407, 9UO 505 Series Ronda Pins are held in withJaeger LeCoultre intermediate ratchet wheel core, part # 419, calibre # 9UO intermediate ratchet wheel core to fit Jaeger LeCoultre calibres: 9UO, 404, 407 *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.