Marco Mainspring #3301 for Bulova 17AH, ETA 953 - Steel

Marco mainspring #3301 for Bulova caliber 17AH, ETA caliber 953 pocket watch movements plus perhaps others, steel, new in envelope. See images for precise mainspring specifications. 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.