Brand AS Caliber 1311 Size 12 Function Version Hands 0,80x1,50 Stem 7212 Stem (subs.) Stem (2 pce) Balance staff 30607 Balance staff (subs.) 30717 INCA / 31706 SSR Mainspring (subs.) 1,70x10,5x0,12 Mainspring (subs.) Battery