Nivaflex Mainspring for Bulova / Caravelle 11DO, Citizen 0240 - Alloy

Nivaflex Mainspring for Bulova / Caravelle caliber 11DO, Citizen caliber 0240 based movements plus perhaps similar ébauche watches, white alloy, new in envelope. This should also fit the Bulova / Caravelle 11DP, Citizen 0241 caliber movements. 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.