This Hytrel Crystal Gasket Assortment comes with 118 "I" shaped plastic gaskets for use when installing thin mineral or sapphire crystals into watch cases
020-11 cm is specifically for movement 341
This type of stand is best suited for pocket watches with the crown and bow at the 12 o'clock position
20 x 545 (21 1/2")
screw for upper bridge for automatic device to fit Jaeger LeCoultre® calibres: 916
Genuine Omega® crown wheel no hub, number of teeth below 31, number of teeth above 30, dia. 7.40 mm, part number 0271B, fits Omega® 12 clock pulleys This Hytrel Crystal Gasket AssortmentGenuine Omega crown wheel no hub, number of teeth below 31, number of teeth above 30, dia. 7. 40 mm, part number 0271B, fits Omega 12 * Perrin Supply Ltd is independent of and not affiliated with or sponsored by Omega. Omega warranty does not apply to parts supplied by Perrin Supply Ltd.