• Product Name: SHARK CLASSIC TIDE 600 • (Links up to 600 oceans around the world with your arms) Equipped with tide data from 600 beaches around the world, it covers the time and height of high tide and low tide until 2031. Now you can customize your favorite local spot with the offset feature for the next generation of surf watches • (Functional Necessary for Marine Activities) In addition to the water resistance of 328.4 ft (100 m), it is equipped with a hydro pusher function that allows you to operate buttons even in the water, so you can rest assured even during serious marine activities such as surfing and diving. In addition, it can be relied on with multiple functions such as dual time display, alarm, timer, stopwatch, and backlight • Watch data specifications: Standard equipment for 600 beaches, high tide time, and sunrise/sunset times as standard. Japanese data is equipped with major 20 points (Miyagi / Sendai, Chiba, Shiko, Malibu, Tsunami / Kamakawa, Shijima, Hashuura, Shikawa, Shinoshima, Shikawa, Kanagawa, Jijima, Kai, Ejima, Ejima, Tsujima, Tsujima, Tsujima, Tsujima, Tsujima, Tsujima, Tsujima, Tsujima. AI / Red Feather Long Beach / Lake Ira, Mie / Toriha, Kyoto / Maizuru, Kochi / Mudo, Wakayama / Katsuura, Miyazaki / Kizaki Hama / Ocean Dome / Inshii / Okinawa / Reminise); Tide data till 2031. 1 custom point can be added • Watch specifications: Dual time display, Alarm function, Stopwatch function, Backlight function, Countdown timer function, Hydro pusher function (can operate buttons up to 3 ATM water pressure under water), Clip type nylon strap, Water resistant to 328.4 ft (100 m)