OMEGA 571 Brand OMEGA Caliber 571 Size Function SC-AUT Version Hands 0,80x1,50 Stem 5706 Stem (subs.) Stem (2 pce) Balance staff 25702 INCA Balance staff (subs.) Mainspring (subs.) Spez. Mainspring (subs.) Battery Watchparts Part NocaliberdescriptionoriginalArtno.401Winding stem8025706721Balnace cplt. -for shock-absorber570-132796505701327723Balance staff ST -shock-absorber802257021143B = 570Oscillating weight assembled571-1026965057110261488= 550Pawel winding wheel550-1464965055014641500= 550Wig-wag pinion550-1453965055014531500.1= 550Connecting wheel small f. winding550-145496505501454