H.B. 90BrandH.B.Caliber90Size6 3/4x8Functiono.SCVersionHands0,60x1,20Stem5902Stem (subs.)Stem (2 pce)Balance staff29104Balance staff (subs.)29309Mainspring (subs.)1,60x7,00x0,08Mainspring (subs.)= 4050BatteryWatchpartsPart NocaliberdescriptionoriginalArtno.250= 80Hour wheelH1= 1.159410025080401Winding stem8025902443= 80Setting lever assembled9410044380445= 80Setting lever spring9410044580705= 80Escape wheel -pinion straigt piv.9410070580705= 80Escape wheel -pinion straigt piv.9410070580723Balance staff, pivoted80229309723Balance staff ST -shock-absorber80229104