REGO 123BrandREGOCaliber123Size10 1/2FunctionSCVersionHands0,85x1,40Stem9901Stem (subs.)Stem (2 pce)Balance staff37401Balance staff (subs.)37402Mainspring (subs.)1,8x9,5x0,11Mainspring (subs.)BatteryWatchpartsPart NocaliberdescriptionoriginalArtno.401Winding stem8029901723Balance staff, pivoted80237402723Balance staff ST -shock-absorber80237401