The external diameter of the spline is 2
Horotec Watch Case Press is a quality Swiss made press for closing snap back watch cases
9mm for 64-6161 Pliers for Fitting Friction Pushers
Winds right and includes click assembly
70 mm (thick) round flat mineral crystal
Jaeger LeCoultre® calibre # 19LEC balance with flat hairspring, regulated - Fits calibers: 19.41, 19LEC, 19LECQ, 201, 202, 208, 222 Z60 Series Ronda The external diameter of theJaeger LeCoultre balance with flat hairspring, regulated, part # 721, calibre # 19LEC balance with flat hairspring, regulated to fit Jaeger LeCoultre calibres: 19LEC, 19LECQ, 19. 41, 201, 202, 208, 222 *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.