ROLEX 1066BrandROLEXCaliber1066SizeFunctionVersionHandsStemStem (subs.)Stem (2 pce)Balance staffBalance staff (subs.)Mainspring (subs.)Mainspring (subs.)BatteryWatchpartsPart NocaliberdescriptionoriginalArtno.771Mainspring AUT sliding attachemnet820292201475Rotor bolt (GIB)981014751030