Brand JUNGHANS Caliber 957 Size 8 3/4x12 Function Version Hands 0,80x1,40 Stem 9002 Stem (subs.) 9004(m)/9005(lg) Stem (2 pce) Balance staff 35501 Balance staff (subs.) Mainspring (subs.) 1,7x10,0x0,13 Mainspring (subs.) Battery