Rolex 3135-570 Oscillating Weight

Authentic Rolex 3135-570 Oscillating Weight.

Fit's cal: 3130, 3131, 3135, 3136, 3155, 3156, 3175, 3185, 3186, 3187.

Original Rolex part in very good used condition. No damages, checked by profetional watchmaker. It's ready to us.