Jaeger LeCoultre® calibre # 883S balance with flat hairspring, regulated

Jaeger LeCoultre® balance with flat hairspring, regulated, part # 721, calibre # 883S

balance with flat hairspring, regulated to fit Jaeger LeCoultre® calibres: 882, 882S, 883, 883S, 885, 885S, 886, 886S

* 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.