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