The Oyster Perpetual Date GMT-Master II model, with tonneau case, revolving black and red bezel, black dial applied with luminescent dagger, dot and baton numerals, sweep seconds, magnified date aperture, 31-jewel automatic movement, completed by a Rolex Oyster bracelet with déployant clasp, in stainless steel, length 7 1/2 ins, dial, case and movement signed