Jaeger LeCoultre® calibre # 497 mainspring loosening pinion Fits calibers: 497, 497/1, 817, 817/1 Omega® 372 click to fit Jaeger LeCoultre®

click to fit Jaeger LeCoultre® calibres: 219

Bulova 3AN

inserting the octagonal aluminum insert

cap height 2

Use the original Super Glue Blue Thread Locker to prevent threaded fasteners

Jaeger LeCoultre® calibre # 497 mainspring loosening pinion Fits calibers: 497, 497/1, 817, 817/1 Omega® 372 click to fit Jaeger LeCoultre®Jaeger LeCoultre mainspring loosening pinion, part # 510, calibre # 497 mainspring loosening pinion to fit Jaeger LeCoultre calibres: 497, 497 1, 817, 817 1 *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.