Marco Marshalloy Mainspring 2715M for Omega RA 28.10, Gruen 723, Bulova 6LA - Alloy

Marco Marshalloy Mainspring No. 2715M for Omega caliber RA 28.10, Gruen caliber 723, Bulova caliber 6LA & Langendorf caliber 2 plus perhaps similar ébauche watches, 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.