PM Mainspring #103 for Benrus AN & AO & FF 150, 152 - ONYX Steel

PM Mainspring #103 for Benrus caiber AN & AO plus FF (Font) 10½ igne caliber 150, 152 movements plus perhaps other similar ébauche wrist watches, ONYX 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.