ROLEX 1600BrandROLEXCaliber1600Size9 1/4FunctionVersionHandsStem4507Stem (subs.)Stem (2 pce)Balance staffBalance staff (subs.)Mainspring (subs.)0,80x 8,0x0,10Mainspring (subs.)2184BatteryWatchpartsPart NocaliberdescriptionoriginalArtno.227Sweep second pinion (Generic)981002271600401Winding stem (Generic)8024507770Mainspring (Generic)02184