The Rescue G-7900 from G-Shock was designed and engineered for rough and rugged activities. With tide and moon graph functionality and 200M water resistance, you won't want to go without one on your next excursion. The watch also features a backlight, temperature resistant LCD countdown timer, multiple alarm settings, and a calendar. Dimensions: Case Width: 50mm Case Length: 57mm Band Width: 21mm Because it's a G-Shock, it is shock resistant and built to last a lifetime.