High Quality Swiss Made Part 3186-657 Jumping Hour Click Spring (Old Version) for Rolex Watches. These are direct replacement and will work for all Rolex Caliber 3186, 3187.
***Time Connection II Inc. is independent of and not affiliated with or sponsored by Rolex Watch U.S.A. Inc. Rolex warranty does not apply to non-genuine parts supplied by Time Connection II Inc.***


