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

Rolex. An attractive 18K gold automatic calendar wristwatch with sweep centre seconds and red lacquered dial
Signed Rolex, Oyster Perpetual, Day-Date, ref. 1807/1803, movement no. DD491144, case no. 2'251'527, manufactured in 1970
Cal. 1556 automatic movement, 26 jewels, red lacquered dial, applied gold baton numerals with luminous accents, sweep centre seconds, aperture for day, magnified window for date, tonneau-shaped water-resistant-type case, fluted bezel, screw back, screw down crown, gilt associated buckle, case, dial and movement signed
36 mm. diam.