ETA 717BrandETACaliber717Size8 3/4x12FunctionVersionHands0.65x1.20Stem7205Stem (subs.)Stem (2 pce)Balance staff29217Balance staff (subs.)28904 INCAMainspring (subs.)1.30x10.5x0.12Mainspring (subs.)BatteryWatchpartsPart NocaliberdescriptionoriginalArtno.401Winding stem8027205445BSetting lever spring92000445717721Balance cplt. -regulated025998723Balance staff, pivoted80228904723Balance staff ST -shock-absorber80229217770BMainspring92000770717