Casio G-Shock

Casio G-Shock Multiband 6 Tide Graph and Moon phase GW-7900-1

From G-SHOCK, the watch that has long been setting the pace for timekeeping toughness, comes a pair of new models that combine tough, high-performance digital timekeeping with radio-controlled accuracy.
Large buttons are designed to allow operation even while wearing thick gloves, even those worn with protective clothing.
Tide Graph and Moon Phase features show tide and moon information for preset areas.

White or Black Available

Case: Resin 
Accuracy per month: ±15 sec 

1/100-second stopwatch 
Measuring capacity: 23:59'59.99"
Measuring modes: Elapsed time, split time, 1st-2nd place times 
12/24-hour format

Button operation tone on/off

Regular timekeeping 
Hour, minute, second, pm, month, date, day 

Manual to be sent digitally
Shock resistant (G-SHOCK)