HR Mainspring E395 for Bulova 9P, MST 309, Aurore 1 - Steel

HR Ev-R-Last Mainspring E395 for Bulova caliber 9P, MST caliber 309 and Aurore caliber 1 plus perhaps other similar ébauche watches, steel, new in envelope. See image 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.