white gold case, 42.2 mm thick, sapphire crystal back, screw-down crown, khaki green dial with embossed with aquanaut pattern, gold applied numerals with luminescent coating, Caliber CH 28-520 C self-winding mechanical movement with flyback chronograph, central chronograph hand, 60-minute counter, date in an aperture, approximately 45-55 hours of power reserve, khaki green composite material strap, aquanaut fold-over buckle. Water resistant to 120 m.