Brand ZENITH Caliber 133 Size 13 Function SC-AUT Version Hands 1,20x1,70 Stem 7103 Stem (subs.) Stem (2 pce) Balance staff 30406 Balance staff (subs.) 30720 INCA Mainspring (subs.) 1,2x10,0x0,08Sp. Mainspring (subs.) Battery