WATCH-CRAFT Mainspring 2768W for Blancpain 41, MST 379 - 404 - Alloy

WATCH-CRAFT Mainspring 2768W for Blancpain caliber 41 and MST caliber 379 to 404 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.