The 3K Patek Philippe Aquanaut series 5164 Hand Grenade watch features a modern and international two-time zone complication that aligns with the tastes and needs of the younger generation. With a case diameter of 40.8mm and a thickness of 11.4mm, it is crafted from Patek Philippe's classic stainless steel material. The rounded octagonal case shape is perfectly balanced, while the shark fin design on the left side of the case houses a button for quick adjustment of the central skeletonized hour hand, which indicates the time in the second time zone.The dial features a black relief surface with metallic three-dimensional hour markers coated in luminescent material. The square day-night indicators at 3 and 9 o'clock display HOME and LOCAL time, respectively, and can rotate with blue and white colors representing night and day. At the 6 o'clock position, there is a date display on a pointer.The movement utilizes a Japanese 9015 modified to a 324 SC FUS automatic winding mechanism, featuring a basic three-hand movement equipped with a two-time zone module. The watch comes with a casual Tropical strap, making it a luxurious sports watch tailored for the younger generation.