In the platinum version, the perpetual calendar with the retrograde date plays with subtle contrasts. It features a silvery dial with a vertical satin finish that highlights the hands, hour markers, minute scale and frames of the display apertures in rose gold. The elegance and legibility of this highly coveted Grand Complication are exemplary.
Mechanical self-winding movement. Caliber 324 S QR. Perpetual calendar with retrograde date hand. Moon phases. Day, date, month, leap year in apertures. Center sweep second hand. Dial: silvery, vertical satin-finished, gold applied hour markers. Alligator strap with square scales, hand-stitched, shiny chocolate brown, fold-over clasp. Fold-over clasp. Case: platinum. Interchangeable full back and sapphire-crystal case back. Water resistant to 30 m. Case diameter: 39.5 mm. Height: 11.19 mm.