Jaeger LeCoultre® calibre # 489 triangular stud for flat hairspring Fits calibers: 489, 489/1, 601 mechan, 814, 815, 825, K814, P489 hammers Minerva® crown

Minerva® crown

Hamilton 946 new style (serial # 479001 & up)

Arogno 127

part # 2572

flush pipe

Jaeger LeCoultre® calibre # 489 triangular stud for flat hairspring Fits calibers: 489, 489/1, 601 mechan, 814, 815, 825, K814, P489 hammers Minerva® crownJaeger LeCoultre triangular stud for flat hairspring, part # 738 1, calibre # 489 triangular stud for flat hairspring to fit Jaeger LeCoultre calibres: 489, 489 1, P489, 601 mechan, 814, K814, 815, 825 *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.