IWC 852BrandIWCCaliber852Size13FunctionSC-AUTVersionHands0,80x1,40Stem6406Stem (subs.)Stem (2 pce)Balance staff29808Balance staff (subs.)Mainspring (subs.)1.25x10.0x0.10 AUTMainspring (subs.)BatteryWatchpartsPart NocaliberdescriptionoriginalArtno.205BCenter wheel drilled + cannonH= 296245BCannon pignon sweep sec. H = 270H= 20594200245852275BSweep second pinion025998401Winding stem8026406407Bclutch wheel852 1994200407852410BWinding pignon852 1894200410852434= 854Clicking spring8542494200434854443BSetting lever assembled8523594200443852723Balance staff ST -shock-absorberL = 29394207239723Balance staff ST -shock-absorber80229808771B (=AUT)Mainspring AUT sliding attachemnet1.25x10.0x0.10942007708521491BOscillating weight bolt1494BPawl-bearing yoke94201494C8521496BOscillating weight axle852 0 13942014968525443BScrew for setting lever jumper