Product Description: The best watch for swimming enthusiasts, as it is the perfect companion when swimming. These watches start with a rugged exterior design, 100-meter water resistance, and a 10-year battery life. Then add a tide graph, moon data, and LED light to ensure easy readability even in the dark, to offer everything a watersports enthusiast needs, right at your fingertips. With a stopwatch, timer, and alarm, these versatile clocks seamlessly take you from the home or office to the pool or ocean. Marking of case / bezel material: plastic resin band, resin glass Water resistance up to 100 metres