Rolex, Oyster Perpetual, ref. 6619, a bi-metal bracelet watch, no. 2316661, circa 1969, automatic movement, 26 jewels, cal. 1161, adjusted to 5 positions and temperature, champagne dial, baton markers with luminous dots, baton hands with luminous inserts, fluted gold bezel, screw down crown, screw down case back marked IV/69, on a bi-metal Jubilee bracelet with stainless steel Oysterclasp, case, dial, movement and crown signed, accompanied by a Rolex box, diameter 25mm