Mechanical self-winding movement. Caliber R 27 Q. Day, date, month, leap year by hands.
Dial: authentic black enamel, gold applied Breguet numerals. 18K gold dial plate.
Platinum. Interchangeable full back and sapphire-crystal case back. Case is humidity and dust protected only (not water resistant). Case diameter: 42 mm. Height: 12.2 mm.
Alligator strap with square scales, hand-stitched, shiny black. Fold-over clasp.