Rolex. An attractive 18K gold automatic calendar wristwatch with sweep centre seconds and coral-red lacquered dial

Rolex. An attractive 18K gold automatic calendar wristwatch with sweep centre seconds and coral-red lacquered dial
Signed Rolex, Oyster Perpetual Day-Date, ref. 1803, case no. 5'063'633, manufactured in 1976
Cal. 1556 nickel-finished lever movement, 26 jewels, coral-red lacquered dial, applied gold baton numerals with luminous accents, luminous hands, sweep centre seconds, aperture for day, magnified window for date, tonneau-shaped water-resistant-type case, milled bezel, screw back, screw down crown, 18K gold Rolex buckle, case, dial and movement signed
36.5 mm. diam.