Audemars Piguet

nickel lever movement, 54 jewels, mono-metallic balance, adjusted to heat, cold, isochronism and 5 positions, 21k gold rimmed rotor, black matt dial, luminescent arabic numerals and hands, aperture for date, three oval subsidiary dials indicating constant seconds, 30-minute and 12-hour registers, inner spiral calibrated for tachometer, inner bezel calibrated for telemeter, oval satin finished case with polished chamfered bezel, sapphire-set crown, screwed down case back, case dial and movement signed, with a stainless steel satin and polished Audemars Piguet link bracelet and concealed twin folding clasp.