Brand ETA Caliber 2340-2343 Size 5 1/4 Function Version Hands 0,60x1,20 Stem 5601 Stem (subs.) Stem (2 pce) Balance staff 31103 Balance staff (subs.) 31006 INCA / 31307 SSR Mainspring (subs.) 1,6x8,0x0,09 Mainspring (subs.) Battery