Jaeger LeCoultre® round stud for Breguet hairspring, part # 739, calibre # 210

round stud for Breguet hairspring to fit Jaeger LeCoultre® calibres: 210

*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.