Patek Philippe Genève, Movement No. 1286622, Case No. 2754619, Ref. 3588-1, Cal. 28-255, 35 mm, circa 1975

A gentleman's automatic Geneva wristwatch "Calatrava"
Case: 18k gold, push back, bezel with "Clous de Paris" decoration, 18k gold Patek Philippe Milanaise bracelet. Dial: gold, radial Roman numerals, baton hands. Movm.: rotorwind movement, rhodium-plated, "fausses côtes" decoration, 8 adj., 36 jewels, Geneva quality hallmark, Gyromax balance, shock protection for balance and escape wheel.