WATCH-CRAFT Mainspring 3595W for UTC 27, 27C, Mastertime M132, M136 - Alloy

WATCH-CRAFT alloy mainspring 3595W for Unitime (UTC) caliber 27, 27C, Mastertime M132, M136, Qualco 11P caliber movements, plus similar ébauche watches including numerous UTC 27 based watches (Waltham 601, 625, 866, Helbros, etc.) 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.