ZENITH 430BrandZENITHCaliber430Size11 1/2FunctionChronoVersionQuarzwerjHandsStemStem (subs.)Stem (2 pce)Balance staffBalance staff (subs.)Mainspring (subs.)Mainspring (subs.)BatteryWatchpartsPart NocaliberdescriptionoriginalArtno.445BSetting lever spring995004454308600BHour counting wheel, mounted8600-43099508600430