Patek Philippe: An 18ct gold Officer's Campaign wristwatch, made in a limited series of 2000 for the Company's 150th anniversary in 1989, the circular case with extended screwed bar lugs, the white enamel dial with Breguet numerals, subsidiary seconds and blued steel moon hands, the hinged back with makers mark numbered 3960 2863307, the cuvette signed by the makers and inscribed 150e Anniversaire 1839-1989, MVT 768395, the signed movement jewelled to the centre with eighteen jewels, adjusted to heat, cold, isochronism and to five positions, with original black leather strap and gold buckle