WATCH-CRAFT Mainspring 2721W for ETA 500, 501, 505, 508, 545 - Alloy

WATCH-CRAFT Mainspring 2721W for ETA 500, 501, 505, 508, 545 caliber movements plus perhaps similar ébauche watches, white alloy, new in envelope. See images for precise mainspring specifications. 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.