Swiss Made White-A-Loy Mainspring for Rolex Self-winding Automatic Caliber 520
Mainspring Size: 4.5 (width) x 13.5 (thickness) x 11.125 (length) - WA92
***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.***

