ZENITH 403BrandZENITHCaliber403SizeFunctionVersionHandsStemStem (subs.)Stem (2 pce)Balance staffBalance staff (subs.)Mainspring (subs.)Mainspring (subs.)BatteryWatchpartsPart NocaliberdescriptionoriginalArtno.301= 400Regulator for flat hairspring55.87.0100.40099500301400358= 400Regulator corrector05.10.0010.40099500358400381= 400Shock-absorber KIF lower62.97.0350.40099500381400443B =4021Setting lever58.27.0150.40399500443403462= 400Minute train bridge10.32.0035.400995004624001497BBearing wheel97.44.0140.4009950149740358500= 403screw for chrono bridge11.11.9922.403995585004038080BCoubling clutch, mounted, 2 functions68.52.0060.400995080804038100= 400Sliding gear (30m), mounted98.71.0012.403995081004008140BOperating lever chrono, 2 funct.98.30.0025.403995081404038157Bguard25.10.0015.403995081574038200= 4021Blocking lever, 2 functions98.49.0050.4009950820040218220BHammer, mounted, 2 functions98.44.0026.403995082204038355= 4021Pillar wheel jumper48.52.0030.400995083554021.Bpinion09.39.0088.403.BAdjuster12.91.0030.400.Bstud support55.84.0130.400