“Magnum Chronograph" Franck Muller, Genève, “Cintree Curvex, Magnum Chronograph Master Calendar", No. 283, Ref. 6850 CC MC AT. Made circa 2000. Fine, tonneau-shaped and curved, self-winding, water-resistant to 30 meters, stainless steel gentleman’s wristwatch with oval-shaped button chronograph, registers, triple date and a stainless steel Franck Muller buckle. Accompanied by a fitted box and certificate. Two-body, polished, screwed-down case back with 4 screws, domed sapphire crystal. “Guilloché” silver with painted stylized radial Arabic numerals, outer graduation for the date in red, outermost 1/5th seconds and minute graduations, subsidiary “guilloché” dials for the seconds, the 12-hour and 30-minute registers, apertures for the days of the week and the months. Blued steel "spade" hands. Cal.1188 MC, rhodium-plated, “fausses côtes” decoration, 37 jewels, straight line lever escapement, monometallic balance adjusted to 5 positions, self-compensating flat balance-spring, platinum rotor. Dial, case and movement signed. Dim. 34 x 45 mm. Thickness 13 mm.