Rolex Datejust 68278/68000

Rolex: A Lady's 18 Carat Gold Automatic Calendar Centre Seconds Wristwatch with an Unusual Blue/Black Ombre Diamond Set Hour Marker Dial, signed Rolex, Oyster Perpetual, Superlative Chronometer Officially Certified, model: Datejust, ref: 68278/68000, 1988,

(calibre 2135) lever movement signed and numbered , adjusted to five positions and temperature, blue/black ombre dial with diamond set hour markers, date aperture, case with screw down crown, faceted bezel, screw back stamped inside and numbered , convention gold mark , case serial number , Rolex 18 carat gold President bracelet with concealed deployant clasp numbered 31mm wide