Jaeger LeCoultre® calibre # 11BF winding stem - Fits calibers: 11BF, 409 Omega® 371 Chain Pulley 1 1/2" (38

Chain Pulley 1 1/2" (38 mm) is a brass chain pulley with a diameter of 38 mm

1980060169

Urgos UW03 Strike & Chime Clock Chain Wheel

there is always the possibility of problems depending on the casing applications

Unitas 660

Jaeger LeCoultre® calibre # 11BF winding stem - Fits calibers: 11BF, 409 Omega® 371 Chain Pulley 1 1/2" (38Jaeger LeCoultre winding stem, part # 401, calibre # 11BF winding stem to fit Jaeger LeCoultre calibres: 11BF, 409 *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.