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

Rolex. An attractive 18K gold automatic calendar wristwatch with sweep centre seconds and turquoise blue lacquered dial
Signed Rolex, Oyster Perpetual, Day-Date, ref. 1803, case no. 2'384'223, manufactured in 1970
Cal. 1556 automatic movement, 26 jewels, turquoise blue 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, milled bezel, screw back, screw down crown, case, dial and movement signed
36 mm. diam.