Brand CERTINA Caliber 360 Size 11 1/2 Function AUT Version Hands 0,65x1,25 Stem 6503 Stem (subs.) Stem (2 pce) Balance staff 28709 Balance staff (subs.) 28508 INCA Mainspring (subs.) 1,6x7,5x0,075 AUT Mainspring (subs.) Battery