A limited edition Breitling Montbrilliant 18k yellow gold only 100 pieces, white Original Breitling silvered matte dial, luminescence Arabic numerals, luminescent hands, chronograph hand with the B counter weight, outer calibrated black tachometer scale, slide rule and 1/5th second rings, two engine-turned subsidiary dials indicating 10 minute register and constant seconds, date aperture at the 6 o'clock. Original Breitling 18k yellow gold bidirectional revolving reeded slide-rule bezel. Sapphire glass case, waterproof 30m with papers.