The big timepiece trend this summer: instruments designed for both land and ocean. These watches are water-resistant and ready to weather both salty ocean air and high-pressure depths. They’re crafted of steel, titanium or some other rugged corrosionresistant material, and offer luminescent markers for easy readability.

1. Corum Admiral's Cup Challenger 44 Chrono Rubber 
This rubberized steel watch ($8,150) was introduced at Switzerland’s Baselworld watch fair in March, and features an innovative new case material that feels like rubber to the touch but is actually metal-hard. It houses a COSC-certified chronometer automatic movement, signifying that it has been tested under some of the most rigorous conditions. The watch also offers hours, minutes, small seconds, date and chronograph functions. It’s shown here in red but is also available in blue, black or white. Levinson Jewelers, 888 E. Las Olas Blvd., Fort Lauderdale; corum.chm

2. Richard Mille RM 028 Les Voiles de St. Barth
This titanium-forged timepiece ($85,000) is issued in a 100-piece edition that pays tribute to the international yacht race whose name it bears. The 47mm case houses an exceptional skeletonized automatic movement offering hours, minutes, central seconds and date. The watch meets the ISO standards for diving (it’s water-resistant up to 300 meters) and features a unidirectional turning bezel. It’s mounted on a rubber strap that’s ideal for diving. Vault, 1024 Lincoln Road, Miami Beach;

3. Louis Vuitton Tambour Diving II XL 
Crafted in 18k rose gold, this automatic watch ($24,800) features a unidirectional rotating bezel with dive-time indicator, large luminescent indicators for easy underwater readability and a seconds counter at 6 o’clock reflecting the classic divers’ flag diagonal-stripe design. This 44mm-size watch has a blue dial and red bezel for bold allure. It’s water-resistant to 300 meters and comes equipped with a sapphire crystal with anti-reflective coating. Aventura Mall, 19501 Biscayne Blvd.;

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