Brand MOERIS Caliber 39C (8 3.4) Size 8 3/4 Function Version Hands 0,65x1,15 Stem 6027 Stem (subs.) Stem (2 pce) Balance staff 27605 Balance staff (subs.) 28408 SSR Mainspring (subs.) 1,35x7,5x0,08 Mainspring (subs.) Battery