BULOVA 5 ANBrandBULOVACaliber5 ANSize5 1/2FunctionVersionHandsStem5031Stem (subs.)Stem (2 pce)Balance staffBalance staff (subs.)Mainspring (subs.)Mainspring (subs.)BatteryWatchpartsPart NocaliberdescriptionoriginalArtno.182= 5AHBarrel with drum + cover906001825AH195= 5AHBarell arbor906001955AH200Center wheel + cannon pinion210BThird wheel906002105AN220Second wheel -short pivot407Clutch wheel410Winding pignon415Ratchet wheel702= 5BA, 5BDEscape wheel -pinion 2 end-piec.906007025AN703Escape wheel -pinion 1 lower end-piec.710BPallet fork -pinion 1 lower end-piec.906007105AN721BBalance cplt. -regulated54906007215AN723BBalance staff ST -shock-absorberL = 25780207239