BESTFIT Mainspring WC1 for LeCoultre caliber 90L, 460 - 490 - Alloy

BESTFIT Mainspring WC1 for LeCoultre caliber 90L, 460 - 490 plus perhaps similar ébauche watches, white alloy, new envelope. See image for precise mainspring specifications. I likely have several of these so the one you get may differ slightly from the images. 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.