Jaeger LeCoultre® fourth wheel and pinion, part # 220, calibre # K830
fourth wheel and pinion to fit Jaeger LeCoultre® calibres: 800, 810, K830, K831
* H. & W. Perrin Company Limited is independent of and not affiliated with or sponsored by Jaeger LeCoultre®. Jaeger LeCoultre® warranty does not apply to parts supplied by H. & W. Perrin Company Limited. Using generic parts may devalue your watch.