A Stainless Steel Chronograph Wristwatch, Franck Muller, 'Master Of Complications', Ref. No. 5850CC At, Recent, automatic movement, 37 jewels, engine-turned blue enamel dial, inner ring calibrated, luminescent tumbling Arabic numerals, date aperture, three engine-turned subsidiary dials indicating constant seconds, 30-minutes and 12 hour registers, tonneau-shaped case, blue Franck Muller strap and buckle, signed case, dial and movement, manufacturer's presentation case and papers