IMHOF 249BrandIMHOFCaliber249SizeFunctionVersionHandsStemStem (subs.)Stem (2 pce)Balance staff80503Balance staff (subs.)Mainspring (subs.)90552 = 4.60x21.0x0.26 GWMainspring (subs.)90547 = 2.50x11.0x0.10 WWBatteryWatchpartsPart NocaliberdescriptionoriginalArtno.200BLarge driving wheell + cannon pinion200/194500200249210BThird wheel94500210249723Balance staff ST -shock-absorber802805037182BAlarm barrel945071822497498BAlarm hammer94507498249