WATCH-CRAFT Mainspring 3934W for AS 1240 - Alloy

WATCH-CRAFT alloy mainspring 3934W for AS 1240 caliber movements, plus similar ébauche watches including numerous AS1240 based watches (Hamilton 602, 674, Waltham 395, Alpina 646, Concord 250, 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.