UNIVERSAL 1-66 Brand UNIVERSAL Caliber 1-66 Size 12 Function AUT Version Hands Stem 4403 Stem (subs.) Stem (2 pce) Balance staff Balance staff (subs.) Mainspring (subs.) 0.70x 9.0x0.10 AUT Mainspring (subs.) 2061X Battery WatchpartsPart NocaliberdescriptionoriginalArtno.180= 66Barrel with drum + cover9910018066210= 66Third wheel and pinion9910021066401Winding stem8024403407= 66Clutch wheel9910040766411= 66Winding pignon9910041166443= 66Setting lever assembled9910044366771= 66Mainspring AUT sliding attachemnet82020610