IWC 8521

BrandIWCCaliber8521Size13FunctionSC-CLD-AUTVersionHands0,80x1,40Stem6406Stem (subs.)Stem (2 pce)Balance staff29808Balance staff (subs.)Mainspring (subs.)1.20x10.0x0.10 AUTMainspring (subs.)Battery

Watchparts

Part NocaliberdescriptionoriginalArtno.
180Barrel with drum + cover942001808521
205= 852Center wheel drilled + cannonH= 29694200205852
401Winding stem8026406
407= 852clutch wheel852 1994200407852
434= 854Clicking spring8542494200434854
443= 852Setting lever assembled8523594200443852
723Balance staff ST -shock-absorber80229808
771B (=AUT)Mainspring AUT sliding attachemnet1.25x​10.0x​0.1094200770852
1491= 852Oscillating weight bolt94201491852
1496= 852Oscillating weight axle85201394201496852
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