BOREL Mainspring 6034-Y for Felsa 405, 406, SIlvania 1740, Venus 1120 - Alloy

BOREL Mainspring 6034-Y for Felsa 405, 406, Silvana 1740, Venus 1120, Chezard 7400, 7401, 7402 caliber movements plus perhaps similar ébauche watches, white alloy. See images for precise mainspring specifications and all supported calibers. I likely have several of these so the one you get may differ slightly from the images. See images for precise 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.