CERTINA 17-221BrandCERTINACaliber17-221Size7 3/4FunctionSC-CLD-AUTVersionHands0,55x1,00Stem5105Stem (subs.)Stem (2 pce)Balance staff27618Balance staff (subs.)Mainspring (subs.)Mainspring (subs.)BatteryWatchpartsPart NocaliberdescriptionoriginalArtno.100BMain plate jewelled145BDial fastener200Center wheel + cannon pinion91200200152021015-21Third wheel22015-21Second wheel -short pivot250(2558)17-21126015-20Minute wheel912002601520401Winding stem802510540715-20Clutch wheel91200407152044515-20Setting lever spring91200445152070515-21Escape wheel -pinion straigt piv.71015-21Pallet fork -pinion 1 lower end-piec.723Balance staff ST -shock-absorber802276181143BOscillating weight2535BDate indicator maintaining plate255617-211Datumstern- / Datumanzeiger- Mitnehmerrad2576BDate jumper91202576172152535B