A Rolex Oyster Perpetual date Chronometer wristwatch, automatic movement, circular black dial with baton numerals, date aperture at three, signed case, dial and movement, stainless steel case and conforming oyster bracelet bands, case reference and serial number 15200 a 713335, calibre 3135, movement number 3 8340717, total length 200 mm, 34 mm diameter.