NOMOS DUW4301BrandNOMOSCaliberDUW4301Size10 1/2FunctionSSVersionGangreserveHandsStemStem (subs.)Stem (2 pce)Balance staffBalance staff (subs.)Mainspring (subs.)Mainspring (subs.)BatteryWatchpartsPart NocaliberdescriptionoriginalArtno.180Barrel with drum + cover43.240964001804301401Handsetting stem40.145964004013001445Setting lever jumper combinded40.175964004453001