Jaeger LeCoultre® calibre # 426/2 round stud for flat hairspring case back screws This robust case opener is

This robust case opener is a high-performance tool for professional and amateur watchmakers

stem number 354-531

089" (0 to 2

60 mm (tap 13)

Jaeger LeCoultre® calibre # 426/2 round stud for flat hairspring case back screws This robust case opener isJaeger LeCoultre round stud for flat hairspring, part # 738, calibre # 426 2 round stud for flat hairspring to fit Jaeger LeCoultre calibres: 426, 426 1, 426 2, 426M *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.