Genuine Rolex® sole screw
Spring center guides the punch so that it will be concentric
and solders
the indicator at 6 o'clock records small seconds
alarm intermediate crown wheel screw to fit Jaeger LeCoultre® calibres: 489
Omega® Crown (Dustproof), steel, diameter 4.50 mm, see all case numbers in description 8 day regula cuckoo movement Genuine Rolex® sole screwOmega Crown (Dustproof), steel, diameter 4. 50 mm, see all case numbers in description Omega Steel Dustproof Crown, thin, domed, diameter 4. 50 mm, total height of crown including pipe 2. 30 mm, medium pipe, tap 0. 90 mm. Fits Omega case numbers: 1744, 2948, 3789, 3797, 3798, 3972, 5752, 6755, 7058, 7059, 7064, 7074, 7088, 7089, 7118, 7128, 7130, 7157, 7606, 7607, 7693, 7735, 7782, 7790, 7792, 8029, 8030, 8046, 8055, 8057, 8069, 10523, 10531, 10662,