AS 1593 Brand AS Caliber 1593 Size 10 1/2 Function SC Version Hands 0,90x1,50 Stem 7431 Stem (subs.) Stem (2 pce) Balance staff 26501 Balance staff (subs.) 27506 INCA Mainspring (subs.) 1,2x9,5x0,10 Mainspring (subs.) Battery WatchpartsPart NocaliberdescriptionoriginalArtno.401Winding stem8027431723Balance staff ST -shock-absorber80226501723Balance staff, pivoted80227506