ZENITH 30.5BrandZENITHCaliber30.5SizeFunctionVersionHandsStemeigenStem (subs.)Stem (2 pce)Balance staffBalance staff (subs.)Mainspring (subs.)Mainspring (subs.)BatteryWatchpartsPart NocaliberdescriptionoriginalArtno.180BBarrel with drum + cover99500180305201BCentre wheel -without cannon99500201305220BSecond wheel -short pivot99500220305401BHandsetting stem99500401305410BWinding pignon99500410305443BWinkelhebel99500443305445BSetting lever spring99500445305705Escape wheel -pinion straigt piv.625-130596506251305