A Baume & Mercier 'Avant-Garde' tungsten and gold super-slim wristwatch, caliber 5138.038, octagonal case 3.2 cm diameter, gold case with tungsten bezel, alternating tungsten and gold rod bracelet strap with clasp with logo, circular dial with pyramidal matted surface to match the tungsten, double diamonds indicate hours at 3, 9 and 12, date aperture at 6. Seven screws secure the stainless case back Quartz movement, battery required. Serial 1502543