Rhodium plated 25 jewel movement adjusted to temperature with self-compensating flat hairspring, platinum lined rotor, two-tone white/silvered dial with Roman numerals and outer red five minutes, blued steel moon hands, subsidiary dials for running seconds, 30 minute and 12 hour registers, reverse dial with large pulsometer, tachometer and telemeter scale calibrations, single blued steel hand, circular three-piece water-resistant type case with sapphire crystals to the front and reverse, straight curled lugs with screw-bars, on black Franck Muller strap with 18k gold Franck Muller buckle, dial and movement signed, case numbered diameter 36mm, depth 13mm.