Newall Mainspring 1403N for Bulova 6AE, 6AF, Uwersi 57/10, Font 332, Peseux 180, 320 - Alloy

Newall N-Dur-ALL Mainspring 1403N for Bulova 6AE, 6AF, Font 332, Durowe 275, Uwersi 57/10, Peseux 180, 320 plus perhaps many more similar ébauche watches, Gr Ref. 2920, white alloy, new in envelope. See images for precise mainspring specifications. 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 pretty good job of representing the item.