AS 931BrandASCaliber931Size8 3/4FunctionVersionHands0,65x1,20Stem7208Stem (subs.)Stem (2 pce)Balance staff28206Balance staff (subs.)Mainspring (subs.)1,5x7,5x0,09Mainspring (subs.)BatteryWatchpartsPart NocaliberdescriptionoriginalArtno.401Winding stem8027208723Balance staff ST -shock-absorber80228206