Durilium Mainspring #324 for Pierce 80, 86, 861 - Alloy

Durilium alloy mainspring No. 324 for Pierce 80, 86, 861 caliber movements plus perhaps other similar ébauche wrist watches. 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 an adequate job of representing the item.