The Patek Philippe Nautilus 5990 is a large steel watch featuring a round case, which has been designed to resemble the porthole of a ship. A version of the Nautilus has been in the Patek Philippe range since 1976.
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.
Sapphire-crystal case back.
Water resistant to 120 m.
Case diameter (10 – 4 o’clock): 40.5 mm.