Known among enthusiasts as the “grenade dial” Aquanaut, this timepiece has become one of the most coveted steel sports watches in Patek’s catalog.  Its discontinuation in 2025 elevated demand further, as the bracelet version now represents a rarer configuration of the Aquanaut. For collectors who want a steel sports watch that’s rare, stylish, and easy to wear, this one delivers.

Presents itself in mint condition with little to no signs of wear. Features the dial that earns its “grenade” nickname from the embossed checkerboard texture, contrasted by Arabic numerals. Framing the display is the brushed steel bezel that follows the Aquanaut’s unique case shape, and the stainless steel bracelet stands out for its alternating high-polished and brushed surfaces that play beautifully with the light.

Functions include hours, minutes, seconds and date. The minute hand and date wheel can be adjusted using the screw-down crown at the right side of the watch. Applied Arabic numerals and baton hands are filled with lume, keeping the dial bright and legible after dark.

Comes as a full set, double-boxed, including a watch pillow, user manual, and certificate of origin.

As a model that takes the modern sports watch aesthetic to its purest steel form, this watch offers everything collectors admire in the Aquanaut. It remains a compelling option for those who want a discontinued piece that balances daily wear with long-term collectability.