Authentic 100% new and never used original Pobeda's balance. Fit "ok" for all (from 1940s - up to 1990s) "Pobeda" Cal.2602, Cal.2603 and Cal.2608. Your movement could be produced on ZIM, Raketa, ChChZ, 1MChZ, 2MChZ - main for this balance axis fit "ok" is that your movement is "Pobeda" and caliber 2602, 2608, 2603. Produced by ZIM plant in 1990ss.