A Gold Automatic Sweep Seconds Wristwatch with Calendar and Bracelet, Rolex, Oyster Perpetual, 'Day-Date', Ref.1803, Circa 1960

18k, nickel lever movement, 26 jewels, monometallic compensation balance, adjusted to 5 positions and temperature, two-tone gilt brushed dial, applied baton indexes, arch-form sector for day, magnified aperture for date, tonneau water-resistant-type case with fluted bezel, screw back and screw-down crown, case, dial and movement signed, with an 18k gold Rolex President bracelet and deployant clasp.