Jaeger LeCoultre® calibre # 489 lower cap jewel with end-piece, for balance Fits calibers: 489, 489/1, 601 mechan, 814, K814, P489 clock screws 94 mm and its smallest

94 mm and its smallest portion is 0

Sunburst Pendulum is a medium sized cast brass

Genuine Omega® mainspring barrel for T-end mainspring

Tension can be adjusted easily with screwdriver

Jaeger LeCoultre® calibre # 489 lower cap jewel with end-piece, for balance Fits calibers: 489, 489/1, 601 mechan, 814, K814, P489 clock screws 94 mm and its smallestJaeger LeCoultre lower cap jewel with end piece, for balance, part # 330, calibre # 489 lower cap jewel with end piece, for balance 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.