Rolex Wrist Watch Mainspring 620,630 Auto-PC-221

Specifications

For your consideration we have a new old stock Rolex wrist watch mainspring. This 620,630 Auto mainspring is for a vintage 1930s Rolex movements. This notably fitting calibers like the 620 Auto for vintage manual wind movements. This is found in many vintage Rolex and often shares compatibility with the closely related Cal 630 models. You must match the part number to your specific movement caliber for compatibility. Buying as pictured and as is for parts. Please also do your own research to insure you,re buying the watch part you need. Any questions please ask before purchase. Thanks for looking!.

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