Aquanaut

The Aquanaut arrived in 1997 as Patek Philippe's younger sibling to the Nautilus, courting a new generation with its rounded-octagonal case and embossed tropical strap. This gem-set 5167/300G reinterprets that casual icon as luxury, wrapping a sports watch in a bezel of baguette-cut diamonds. Collectors relish the tension: a rubber-strapped companion elevated to high jewelry, executed in white gold rather than the steel that defines the line. It ranks among Patek's rarest, most extravagant off-catalogue creations. Rendered in 18-karat white gold, the 40mm cushion-shaped case gains dazzling new brilliance from a bezel set entirely with baguette-cut diamonds. Its black-to-grey gradient dial carries the Aquanaut's signature embossed checkerboard relief, applied Arabic numerals, and a discreet date window at three. Slender white-gold baton hands sweep above, powered by the in-house self-winding Caliber 324. A supple black composite strap, textured to echo the dial's grid, preserves the sporting spirit beneath all that sparkle. Listed at 319.99 USD.