Sandsteel Sandalloy Mainspring S2200 for Bulova 4AB, 4AK, 4AL, 4PP, 5AL, 5P, 5PP, 5PPI - Alloy

Sandsteel Sandalloy Mainspring No. S2200 for Bulova 4AB, 4AK, 4AL, 4PP, 5AL, 5P, 5PP, 5PPI caliber movements, 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 an adequate job of representing the item.