Marco Marshalloy Mainspring 3193M for Bulova 7AH, 7AK, 7AP - Alloy

Marco Marshalloy Mainspring 3193M for Bulova caliber 7AH, 7AK, 7AP movements plus perhaps other similar ébauche movements as well, white 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 a pretty good job of representing the item.