BESTFIT Mainspring 312E for Bulova 6AP, 6AN, 6N, 6SN, Aurore 8 & Buren 35 - Alloy

BESTFIT Mainspring 312E for Bulova caliber 6AP, 6AN, 6N, 6SN, 6PP, 6PPI, Aurore caliber 8, Buren caliber 35 and NTF caliber 525, 526 plus perhaps similar ébauche watches, white alloy, new in dirty envelope. See images for precise characteristics. I likely have several of these so the one you get may differ slightly from the images. I specialize is hard to find watch parts so I usually have whatever you might need and all watch parts are unconditionally guaranteed. Images do a satisfactory job of representing the item.