Rolex Datejust 36 6605

An 18 Carat Gold Automatic Calendar Centre Seconds Wristwatch, signed Rolex, Oyster Perpetual Superlative Chronometer Officially Certified, model: Datejust, ref: 6605, 1956, (calibre 1065) lever movement signed and numbered N715722 , adjusted to five positions and temperature, silvered dial with dagger markers, red/black roulette date disc aperture, case with screw down crown, screw back stamped inside with maker's mark Montres Rolex S.A Geneva Switzerland , 18k0.750 , 6605 and a Glasgow import mark for 1956, case serial number 261772 , later 9 carat gold bracelet with clasp stamped with a 9 carat gold Birmingham hallmark for 1964 34mm wide