
Omega Seamaster Planet Ocean 600m GMT GoodPlanet
The Omega Seamaster Planet Ocean 600m GMT GoodPlanet ($8,100) is a watch you can feel good about buying, with a portion of proceeds going to the GoodPlanet Foundation, which protects our marine ecosystems.

David Yurman Classic 46 mm Chronograph

Rolex DeepSea
The face of the Rolex DeepSea ($13,000) fades from bright blue to dark black, mirroring the ocean itself.

Clerc Hydroscaph

Garmin’s Quatix
Garmin’s Quatix ($449) has the ability to control your vessel’s autopilot and send waypoints to an iPad. It’s also glare-proof and water-resistant to 164 feet.

Oracle Edition Aquaracer Sailing Watch

Carl F. Bucherer Patravi Scubatec

TAG Heuer Aquaracer 500M Calibre 5
Super Swimmer
TAG Heuers are popular with actors like Leonardo DiCaprio, but its Aquaracer 500M Calibre 5 ($3,850) was designed by scuba divers. This watch functions to depths of 1,640 feet and sports luminescent hands. TAG Heuer, 866-260-0460; tagheuer.com

Ulysse Nardin Marine Chronometer

Panerai Luminor 1950 Regatta
A Panerai Luminor 1950 Regatta ($19,700) is a tough timepiece with a brushed titanium crown.

Nautical Rolex Oyster Watch
The Rolex Oyster Perpetual Cosmograph Daytona ($28,800) line was introduced in 1963, and has stood the test of time.