Original Balance Staff ETA Caliber 2354 2370 2372 2373 2375 2377 2378 Part number 723
ETA 2370 Winding Mainspring Non Magnetic Self Lubricating Nivaflex
Made in Switzerland
ETA 2370 watch parts. We carry a large selection of Origianal ETA mechanical automatic watch repair parts such as mainspring, stem, staff, balance, wheel, pinion, lever, bridge, lever, spring and jewels.