NuREZISTA Mainspring #2001 for Hebdomas 8 Day pocket watch - Steel

NuREZISTA steel mainspring #2001 for Hebdomas 8 day Pocket Watch movements and perhaps others, new in envelope. These are for older editions of the Hebdomas pocket watch, 1950's and before so make sure this is the one you need before buying. See images for precise mainspring specifications. Sorry I only have the one at the moment. 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.