BESTFIT Mainspring 77Z for Valjoux caliber 24 Chronograph - Alloy

BESTFIT Mainspring 77Z for Valjoux caliber 24 Chronographs plus perhaps similar ébauche watches, white alloy. See image for precise characteristics. 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.