HR Quick Fit Mainspring K385 for AS 1530, ETA 2390, Omega 320 Chronograph - Alloy

HR Quick Fit Mainspring K385 for Omega 320 Chronograph, ETA 2390 & AS 1530 caliber movements, white alloy, new in envelope. Most assuredly also fits the base Lemania CH27 Chronograph movement and perhaps others as well.  See images for precise mainspring specifications. I specialize is 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.