Features: - Design: Clear, informative, and comfortable are the three inspirations behind the Base Tide Pro. Anything that wouldn’t be helpful or functional in the water was stripped away, leaving room to pack more useful features and info. - Durability: Fiber-reinforced polycarbonate case with full water-resistant functionality down to 100 meters means you don’t need to hold back when you’re wearing it - Special Feature: Pre-programmed tide information for 550 global beaches, including high/low tide time and height, as well as sunrise/sunset. Also features date, chronograph timer, three alarms, backlight, and our patented Locking Looper™. The display can toggle between tide graph and date, depending on your preference. - Movement: Custom digital module with pre-programmed tide information for 550 beaches around the world. Functions include time of day (12 hour or 24 hour), day/date, sunrise / sunset data, future and past tide, dual time, 3 types of alarms, countdown timer, wave counter, chronograph and an EL backlight. - Water Rating: 100 Meter / 10 ATM