ROLEX 3185BrandROLEXCaliber3185Size12 1/2FunctionSC-CLD-AUTVersionHandsStem802 5116Stem (subs.)= 3135Stem (2 pce)Balance staffBalance staff (subs.)Mainspring (subs.)2825 X (=3130)Mainspring (subs.)820 2825 0BatteryWatchpartsPart NocaliberdescriptionoriginalArtno.201= 3135Centre wheel -without cannon (Generic)981002013135401= 3135Winding stem (Generic)8025116771= 3130Mainspring AUT sliding attachemnet (Generic)82028250