Original Balance Staff ETA Caliber 1150 1151 Part number 723
ETA 1051 Winding Mainspring Non Magnetic Self Lubricating Nivaflex
Made in Switzerland
ETA 1051 watch repair parts. Shop our large selection of Original ETA mechanical watch repair parts, we carry mainsprings, stems, staffs, balance, wheels, pinions, levers, springs, screws, ratchet, palet fork and other parts.