The new Protrek model is the first that features Casio’s “Tough Movement” functions, i. e. “Tough Solar” (a small solar panel enabling the watches to recharge when they are exposed to ...

Case Diameter: 50mm Water Resistance: 200m Always look for the Tough Solar technology when shopping Casio G-Shock watches. The GW6900-1 is one of the most classic G-Shock forms, and it’s also an ...

The outdoors-focused Pro Trek is water resistant to 100m and features Tough Solar charging, digital compass, barometer/thermometer and altimeter, world time, automatic calendar, stop watch, alarms ...

I still wear it every day. Pro Trek I've been reviewing a watch from Casio — the Pro Trek PRW6600Y-2 ($350, Casio.com), which is an unfortunate name.

I still wear it every day. Pro Trek I've been reviewing a watch from Casio — the Pro Trek PRW6600Y-2 ($350, Casio.com), which is an unfortunate name.