Rolex: A late 1970s diver s watch Oyster Perpetual Date Sea-Dweller Great White model 1665, stainless steel case, signed Rolex calibre 1570 automatic movement numbered 0621614, 1979 from serial number, round black dial with lume plots and baton hour markers, date aperture at 3, outer seconds track, lume-filled Mercedes hands, centre seconds hand with lume plot, black bezel with count-up scale, screw-down crown with coronet, on a stainless steel Oyster bracelet strap with 585 to the end link and 93150 to the first link, with a signed Rolex foldover clasp numbered SS6 93150, no box and papers (Case: 39mm excluding crown)