Mechanical manually wound movement. Caliber CH 29-535 PS. Chronograph with pulsations. Central chronograph hand and instantaneous 30-minute counter. Seconds subdial. Tachymeter scale. Dial: ebony black opaline dial, gold applied Breguet numerals. Alligator strap with square scales, hand-stitched, shiny black, fold-over clasp. Fold-over clasp.
Case: white gold. Sapphire-crystal case back. Water resistant to 30 m.
Case diameter: 39.4 mm.
Height: 10.9 mm.
