BESTFIT Clock Mainspring for EMES 20 - 23 Time No. T300-6

Bestfit System #77 Clock Mainspring for German EMES 23 to 23 clocks, TIME side spring, Regular tongue end, No. T300-6, 1940's or newer, steel. See image 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