Details at: http://www.surfboards.com/displayall.php?keyword=53mm&manu_id=120&cat_id=25&utm_source=youtube&utm_medium=video&utm_term=6900
The 6900 Watch from G-Shock is made from a shock-resistant construction that protects against impact and vibration. Comes with an electro luminescent back light, an LED indicator, stopwatch function, countdown timer, up to 200m water resistant, a multi alarm and an hourly time signal. Dimensions: Case Width: 53mm Case Length: 50mm Band Width: 16mm
Because it's a G-Shock, it is shock resistant and built to last a lifetime.
