Once again, the more complex GWG-1000 is shown – Casio remains far from amazing when it comes to making high-resolution, relevant images accessible. In addition, Twin Sensor capabilities provide instant access to direction and temperature information when needed under tough conditions. The altimeter measures your height from the sea level based on the air pressure around you. In other words, as the weather changes, the accuracy of your altimeter will change as well. This is not only the case with Triple Sensor - even aircraft altimeters need to be calibrated before (and often during) flight.

The Mudmaster GG-1000 is a smaller version of the Mudmaster GWG-1000 with less features in the same way the Gulfmaster GN-1000 is a reduced version of the Gulfmaster GWN-1000. The compass is simple to use – you press the "COMP" button on the watch and the second's hand turns to indicate where the north is. Mudmaster's compass also has a bearing feature that lets you record a direction and save it. So you don't have to remember the exact degrees of the course that you were heading in. Official Casio Description. This is the latest new addition to the MASTER OF G MUDMASTER Series. Mud Resist construction helps to ensure that nothing gets into the watch when down and dirty work takes you deep into the dirt and sludge. Multiple gaskets are used on the pipes that guide buttons and shafts, which keeps mud out. These pipes not only act to protect buttons from impact, they also enhance button operation. The GG-1000 is a battery-powered watch (not Tough Solar) with a Twin Sensor (compass and thermometer). The bezel has a similar design as the GWG-1000 but does not have a front-facing light button. The face has two LCD display areas and a prominent mode indicator dial. Like the GWG-1000 the GG-1000 is resistant to mud and dust. Unlike the GWG-1000’s sapphire crystal, the GG-1000 has a mineral glass display.Mud Resistant (helps to ensure that nothing gets into the watch when down and dirty work takes you deep into the dirt and sludge) Pros: Mud-resistant. Rugged and tough style. Smaller and lighter than the GWG-1000. More affordable than the GWG-1000. What we like in GG-1000 *comments by experts with 10years experience in writing about Casio watches Side note: Thermometer not measuring accurately is the most common complaint about the Mudmaster and other Triple Sensor watches. So keep in mind that you can't expect accurate readings from a sensor that's been warmed up by your wrist and you'll be fine. Altimeter / Barometer

Like the Yeti SP5C Bike, the Casio is made for extreme conditions and abuse. It takes its name from the Mud Resist system of gaskets in the pipes that keep mud and dust out of the watch. While mundane to some, this feature would be paramount to someone who might be on a trail during or after a rain. If you’re not going over the bars, you’ll be hauling your bike at some point, loading into your Honda Element, or making repairs to it. All these things are typically avoided by people in the watch community while wearing a watch. You’re going to encounter dirt or mud in this sport, and Lord knows you might want to sell a watch down the road which is nearly impossible if it’s beaten all to hell. Besides looks, the Gulfmaster also comes with moon and tide graph features which the Mudmaster doesn't have. Like Mudmaster, there are two versions of the Gulfmaster available – premium GWN-1000B and the more affordable GN1000B-1A - with similar feature differences (Twin/Triple Sensor, No Solar/Tough Solar, etc.). Mudmaster vs. GravitymasterSo, if you're looking for a rugged analog compass watch, you won't find anything better than the Mudmaster. Whether the premium GWG-1000 or the cheaper GG-1000. The Mudmaster GG-1000 line will be released in April 2016 starting in Japan. The retail list price is ¥37,000 JPY. High-end touches include a carbon fiber seconds hand, carbon fiber reinforced strap, and a longer-lasting lume on the that partially justify its higher price tag. In summary, GWG-1000's got everything you need to survive off the grid, which you can't say about the GG-1000. But Mudmaster GG-1000 Is Smaller, Lighter, And Cheaper