Jaeger LeCoultre® calibre # 489 jewelled pallet fork and staff Fits calibers: 489, 489/1, 601 mechan, 814, K814, P489 Felsa 710 It reads vibrations per hour

It reads vibrations per hour

Bulova® part number 10BCC 63-64 GM 20

40 mm (thick) rectangular

part number 454

alarm mainspring to fit Jaeger LeCoultre® calibres: 22RLEC

Jaeger LeCoultre® calibre # 489 jewelled pallet fork and staff Fits calibers: 489, 489/1, 601 mechan, 814, K814, P489 Felsa 710 It reads vibrations per hourJaeger LeCoultre jewelled pallet fork and staff, part # 710, calibre # 489 jewelled pallet fork and staff to fit Jaeger LeCoultre calibres: 489, 489 1, P489, 601 mechan, 814, K814 *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.