Genuine Rolex® 1530 crown wheel core screw, part 7875 (see all calibres in description) 505 Series Ronda 6mm Rod is a threaded

6mm Rod is a threaded steel Chime rod that has a thread diameter of 6

5 to 38 cm is for movements with pendulum lengths of 26

hardened steel block with 14 hemispheric depressions in two rows

Benrus DMA

Genuine Rolex® 1530 crown wheel core screw, part 7875 (see all calibres in description) 505 Series Ronda 6mm Rod is a threadedGenuine Rolex crown wheel core screw, part 7875, Fits calibres: Rolex 1520 Rolex 1525 Rolex 1530 Rolex 1535 Rolex 1555 Rolex 1556 Rolex 1560 Rolex 1565 Rolex 1565 GMT Rolex 1570 Rolex 1575 Rolex 1575 GMT Rolex 1580 * Perrin Supply Ltd is independent of and not affiliated with or sponsored by Rolex. Rolex warranty does not apply to parts supplied by Perrin Supply Ltd.