HR Mainspring No. 498 for Bulova, Benrus & AS 5 & 6 ligne movements

HR No. 498 steel mainspring for several AS based 5 & 6 ligne wrist watches; Bulova caliber 5AB-AC-AL-AX & 6AL, Benrus Caliber Q and AS (ébauche) 976-969-1012-1025. See images for precise calibers supported and 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.