HR Quick Fit Mainspring K321 for Rolex caliber 180 & Felsa 780 - Alloy

HR Quick Fit Mainspring K321 for Rolex caliber 180, Felsa caliber 780 and Cyma / Tavannes caliber 814, 816, white alloy, new in envelope. See images for precise characteristics and further helpful information. I specialize in hard to find watch parts so I usually have whatever you might need and all watch parts are unconditionally guaranteed. Images do a pretty good job of representing the item.