The Ref. 5990/1A-011 Nautilus Travel Time chronograph is one of Patek Philippe’s most coveted and rare steel watches. The new model now comes with a blue dial with a ray sunburst dial and a delicate black gradation to the periphery.

The self-winding caliber CH 28-520 C FUS movement combines three convenient and user-friendly complications: a flyback chronograph, a Travel Time function (two time zones with two separate hour hands; the skeletonized hand shows home time) and an analog date at 12 o'clock which is synchronized with local time.

As announced during the launch of the new Nautilus models, all bracelets will now come with the patented fold-over clasp with lockable adjustment system.