ZENITH 2552C Exploded diagram Brand ZENITH Caliber 2552C Size 11 1/2 Function Version Hands 0,80x1,30 Stem 6033 Stem (subs.) Stem (2 pce) Balance staff 28813 Balance staff (subs.) Mainspring (subs.) 3141x Mainspring (subs.) Battery WatchpartsPart NocaliberdescriptionoriginalArtno.180= 2530Barrel with drum + cover995001802573225BSweep second wheel995002252552401Winding stem8026033502= 2552PCStellhebelwelle995005022552710= 2531Pallet fork -pinion 1 lower end-piec.995007102531721= 2552PCBalance cplt. -regulated995007212552723Balance staff ST -shock-absorber80228813771Mainspring AUT sliding attachemnet82031410