For the tactical professional or serious enthusiast, the GWG1000-1A1 is tough to beat. It comes with Multi-Band 6 Atomic Timekeeping and Triple Sensor capabilities (altimeter/barometer, compass, and thermometer), ensuring that you're never off-course. The Vibration Resistant Structure adds an extra layer of durability, especially for those in seismic research fields or construction. Technological Prowess: Loaded with features like atomic timekeeping, solar power options, and world time, these watches are as smart as they are tough.

Casio state that the watch has a +/- 15 seconds per month. I find with many Japanese manufacturers they understate their accuracy and given that the watch synchs with your app you’ll usually always have total accuracy for the current time wherever you are. Size and Fit The thermometer gives you an accurate read of the current temperature which again you can customize in the app for Celsius or Fahrenheit. Measuring Modes: Elapsed time, split time, 1st-2nd place times, Measuring Unit: 1/100 second (for the first 60 minutes) 1 second (after 60 minutes)

Comparing Products

A built-in direction sensor detects magnetic north displaying both this and your current direction on the watch face., Bearing Display: Indicates your course against a recorded bearing, Measuring Range: 0 - 359 degrees, Measuring Unit: 1 degree

Part of the specialist Master of G series designed for use in the most extreme conditions, our new GG-B100 watches feature the all-new Carbon Core Guard case, with a dust and mud-resistant structure that can withstand harsh land environments. The Dial has hands that are reminiscent of the military dive watches with sword shaped hour hands and arrow point seconds hands that pay homage to the Omega and Rolex military watches of the 1960s to 2000s. The bezel is formed of three layers of fine resin with carbon fiber inserts. The top layer is transparent, resulting in a bezel that shows the embedded carbon material. Sunrise and Sunset times are displayed for your chosen location. Ideal for planning outdoor activities. Official Casio Description. From the MASTER OF G Series MUDMASTER, the watch that is designed and engineered to withstand rough land environments, come carbon resin models that incorporate a new type of structure.Barometric pressure tendency information alarm (beep and arrow indicates significant changes in pressure)

Others: Relative altitude readings (±100 m /±1000 m), selectable measurement interval: 5 seconds or 2 minutes (1 second for first 3 minutes only) CASIO WATCH+ World Time lets you select from among approximately 300 cities as the World Time City, Displays the current time in major cities and specific areas around the world A built-in temperature sensor measures the ambient temperature around the watch and displays it on the LCD, Measuring range: -10°C to 60°C (14°F to 140°F); measuring unit: 0.1°C (0.2°F) The button tones on the mode button can be switched off for discreet operation. Pre-set alarm or timer functions remain active. Countdown start time setting range: 1 second to 24 hours (1-minute increments and 1-hour increments)What we like in GG-B100 *comments by experts with 10years experience in writing about Casio watches The watch can act as a GMT world timer watch with 38 timezones including pilots UTC universal time. It also comes with a sunrise and sunset indicator which is very useful when out on trails. Stopwatch Designed to work even in the harshest environments, MASTER of G specialty watches take timekeeping to new heights with a rugged design accented in the bright yellow used for emergency rescues. Function-wise, this model comes with compass, altimeter/barometer, temperature reader and pedometer. In addition to being able to easily correct the time using the dedicated CASIO WATCHES app, there are lots of other useful features including the Mission Log feature, which automatically records in the app altitude data obtained from the watch and route data obtained by your smartphone.