WATCH-CRAFT Mainspring 2990W for ETA 1321, Bulova 6AK, Mido 1938, Tavannes 420 - Alloy

WATCH-CRAFT Mainspring 2990W for ETA 1321, Bulova 6AK, Mido 1938, Benrus AG, Felsa 158, Tavannes 420 caliber movements, white alloy, new in envelope. See images for precise mainspring specifications and further details. I specialize in hard to find watch parts and all watch parts are unconditionally guaranteed. Images do a pretty good job of representing the item.