Amazon.com: Casio Men's G9100-1 G-Shock Gulfman Tide and Moon Watch: Casio: Watches
You've been tracking the storm all week and today, there's an offshore breeze. What tide is it? Just look at your Gulfman G-Shock for the answer. This Casio men's G-Shock watch is perfect for seafarers; it provides moon data and a tide graph so you'll alw...