Jaeger LeCoultre® calibre # 910 mainspring for movement Fits calibers: 910, 911 fhs 1171 movement parts part number 12037

part number 12037

for snap in type case

Optivisor DA7 - 2 3/4X features a working distance of 6" and has a magnification of 2 3/4X

This portable

Replacement Accessories for Pro-Cast Vacuum Machine

Jaeger LeCoultre® calibre # 910 mainspring for movement Fits calibers: 910, 911 fhs 1171 movement parts part number 12037Jaeger LeCoultre mainspring for movement, part # 770, calibre # 910 mainspring for movement to fit Jaeger LeCoultre calibres: 910, 911 *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.