ZENITH 2530BrandZENITHCaliber2530Size11 1/2Functiono. SCVersionHands0,80x1,30Stem6033Stem (subs.)Stem (2 pce)Balance staff28813Balance staff (subs.)Mainspring (subs.)1.20x10.0x0.10Mainspring (subs.)= 2531BatteryWatchpartsPart NocaliberdescriptionoriginalArtno.180BBarrel cpl (hand)995001802573401Winding stem8026033407= 2572PCClutch wheel995004072572435B = 2572pcYoke spring995004352530435= 2572PCYoke spring995004352572445= 2572PCSetting lever spring9950044525727022531Escape wheel -pinion 2 end-piec.995007022531710= 2531Pallet fork -pinion 1 lower end-piec.995007102531721= 2552PCBalance cplt. -regulated995007212552723Balance staff ST -shock-absorber80228813770= 2531Mainspring995007702531