ROLEX 1575-GMTBrandROLEXCaliber1575-GMTSizeFunctionVersionHandsStem6059Stem (subs.)6060Stem (2 pce)Balance staff29532Balance staff (subs.)Mainspring (subs.)1.30x11.0x0.12 AUTMainspring (subs.)BatteryWatchpartsPart NocaliberdescriptionoriginalArtno.770Mainspring (Generic)82033180