Classic design never goes out of style, which is why after over a decade on the market, the Aquanaut Travel Time collection is still one of the most beloved pieces on the luxury watch market. This self-winding watch has a sturdy 40mm case that comes with a screw down crown and a sapphire crystal case back. It has a dual time zone mechanism, indicating local and home time and a date display. The caliber is the signature Patek Philippe 324 S C FUS which has a power reserve of up to 45 hours. The black embossed dial has gold applied markers with luminescent coating. The tropical strap is made of composite polymer material and comes with a fold over clasp. This is a timeless design that you need to add to your collection.