Jaeger LeCoultre® balance staff 277-60-35-30, part # 723, calibre # 427
balance staff 277-60-35-30 to fit Jaeger LeCoultre® calibres: 8NR, 8RF, 8RFO, 402, 427, 496
* 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.