Jaeger LeCoultre® calibre # 461 third wheel and pinion, long pivot Fits calibers: 461, 472, 473, 474, 475 Rolex® 191 Clock Letdown Key with Alarm

Clock Letdown Key with Alarm Insert is a yellow plastic let down bench key with 1 double end alarm insert

Flat anvil is smoothy finished

Generic Threaded Waterproof Crown to fit Tag Heuer® CN-H059

* Perrin Supply Ltd is independent of and not affiliated with or sponsored by Swiss Army®

3/32" mandrel diameter

Jaeger LeCoultre® calibre # 461 third wheel and pinion, long pivot Fits calibers: 461, 472, 473, 474, 475 Rolex® 191 Clock Letdown Key with AlarmJaeger LeCoultre third wheel and pinion, long pivot, part # 214, calibre # 461 third wheel and pinion, long pivot to fit Jaeger LeCoultre calibres: 461, 472, 473, 474, 475 *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.