Jaeger LeCoultre® calibre # 910 movement crown wheel screw and alarm crown wheel screw Fits calibers: 910, 911 ring guards fits Adec® case reference 4-394275

fits Adec® case reference 4-394275

Floating Balance FHS 130-330 designed to now fit FHS movements 130- 330

Accutron® 7053W Waterproof Crown

Diameters range form 3/16" TO 5/8"

Jaeger LeCoultre® calibre # 910 movement crown wheel screw and alarm crown wheel screw Fits calibers: 910, 911 ring guards fits Adec® case reference 4-394275Jaeger LeCoultre movement crown wheel screw and alarm crown wheel screw, part # 5420, calibre # 910 movement crown wheel screw and alarm crown wheel screw 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.