BESTFIT Clock Mainspring suitable for Jauch Puja T350-3

Bestfit System #77 Clock Mainspring suitable for German Jauch Puja Alcohol clocks and perhaps others as well, Regular tongue end, No. T350-3, 1940's or newer, steel. See images for precise mainspring characteristics. I specialize is hard to find watch & clock parts and all parts are unconditionally guaranteed. Images do a pretty good job of representing the item