platinum case, 41 mm thick, interchangeable solid and sapphire crystal back, concave bezel, laquered green dial with black-gradient rim, gold applied hour markers, Caliber CH 29-535 PS Q manually wound mechanical movement with chronograph, central chronograph hand, instantaneous 30-minute counter, perpetual calendar, day, month, leap year and day/night display in apertures, date by hand, moon phases, seconds subdial, shiny black alligator leather strap with square scales, fold-over buckle. Water resistant to 30 m.