Brand AS Caliber 1246 Size 5 Function Version Hands 0,55x1,00 Stem 5403 Stem (subs.) Stem (2 pce) Balance staff 28203 Balance staff (subs.) 27902 INCA / 29402 SSR Mainspring (subs.) 1,40x6,0x0,06 Mainspring (subs.) Battery