Brand AS Calibre 1607 Size 9 1/4 Function SC-AUT Version Hands 0,75x1,30 Stem 5509 Stem (subs.) Stem (2 pce) Balance staff 28603 Balance staff (subs.) 29107 INCA Mainspring (subs.) 1,45x7,5x0,08 Mainspring (subs.) Battery