Gratiton is the world's most advanced tide watch... period. It features tide chart accuracy for 275 worldwide locations through the year 2015. Over 8 million data points were compiled and programmed into Graviton's memory to ensure the highest possible accuracy. Further, custom beaches can be programmed with an offset of +/ 180 minutes, allowing Graviton to provide accurate information for thousands more locations.

The unique dual mode ana dig design allows the LCD to be turned completely off at the touch of a button, to create a clean analog watch look. Press any button again, and the full screen LCD comes to life displaying tide info, dual time, date, stopwatch and multiple alarms and countdown timers.

Features:
• Solid 316L stainless steel construction
• Secure screw bar case to band interface
• Superluminova hands, dial markings & EL backlight
• Triple o ring screw down crown system
• 200M depth tested
• Tide information for 275 worldwide locations
• Dual alarms, chronograph, countdown timer