Rolex. A rare stainless steel self-winding waterproof wristwatch with sweep centre seconds and braceletSigned Rolex Oyster Perpetual, 200m=600ft, Submariner, Superlative Chronometer, movement no. 89'879, case no. 1503591, ref. 5512, manufactured in 1966Cal. 1570, with nickel-finished lever movement, 26 jewels, the black dial with luminous dot, baton and dagger numerals, luminous mercedes hands and luminous sweep centre seconds, in tonneau-shaped water-resistant-type case with black revolving bezel calibrated for 60 units, screw back and screw down crown, together with a stainless steel Rolex Oyster bracelet, case, dial and movement signed43 mm. diam.