fits Unitas® calibers: 231
high-quality construction and finishing
smooth jaws are 1 7/8" (48mm)wide
Horotec Pattern 5 Carbon Steel Tweezer are ideally suited for handling microscopic parts
Mount on any surface that will support screws and weight of tools
Jaeger LeCoultre® calibre # 489 setting with jewel for balance cock and plate - KIF Fits calibers: 489, 489/1, 601 mechan, 814, K814, P489 LeCoultre® 204 fits Unitas® calibers: 231Jaeger LeCoultre setting with jewel for balance cock and plate KIF, part # 3704, calibre # 489 setting with jewel for balance cock and plate KIF 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.