Rolex® calibre # 2030 screw only for micro-regulator, part # 4435
Genuine screw only for micro-regulator to fit Rolex® calibres: 2030, 2035
* H. & W. Perrin Company Limited is independent of and not affiliated with or sponsored by Rolex®. Rolex® warranty does not apply to parts supplied by H. & W. Perrin Company Limited. Using generic parts may devalue your watch.