Nautilus Travel Time Chronograph, Chronograph with 60-minute counter, Dual time zone mechanism indicating local and home time, Local and "home" day/night indication in apertures, Local date by hand, Sweep seconds (chronograph hand), Black gradated dial, gold applied hour markers with luminescent coating, Steel bracelet with Nautilus fold-over clasp, Screw-down crown, Sapphire-crystal case back, Water resistant to 120 m, 40.5mm stainless steel case.