STANDARD 1800 Brand STANDARD Caliber 1800 Size 10 1/2 Function Version Hands 0,90x1,50 Stem 7332 Stem (subs.) Stem (2 pce) Balance staff 29526 Balance staff (subs.) Mainspring (subs.) 1,75x9,00x0,10 Mainspring (subs.) Battery WatchpartsPart NocaliberdescriptionoriginalArtno.250Bhour wheel920002501800401Winding stem8027332723Balance staff ST -shock-absorber80229526