Casio - G-Shock Master Of G-Air Gravitymaster Smartphone Link Analog Tough Solar GR-B300-1A 200M Men's Watch - Black

This is a Twin Sensor model from the G-Shock Mudmaster Series, designed for use in extreme environments scattered with rubble, dirt and debris. With a push of one large button at the 3 o'clock position, you can check your position with its Compass. The temperature can also be measured easily by pushing the button at 4 o'clock. This model has been developed with operability in mind so that anyone can intuitively check their position using the Compass, even in the most extreme climates, without visual observation. The dust and mud-resistant button guard cylinder structure prevents fine sand and mud from getting into the buttons while also helping to absorb any shock to the buttons and improving operability. Broad hour/minute hands and indices of large Arabic numerals have also been adopted to improve visibility. This design is packed with military-style flare, including a mode display that uses a sprocket-inspired disk dial and a textured band to prevent slipping.

The Casio G-Shock Master of G Air Gravitymaster GR-B300EC-1A is a professional-grade men's watch combining cutting-edge design with exceptional durability. Featuring a 54.7mm carbon core guard case with biomass resin construction, this solar-powered timepiece delivers reliable performance in demanding conditions. The black analog dial with emergency color accents ensures excellent readability, while luminous hands and markers provide visibility in darkness. Bluetooth connectivity enables smartphone integration for easy timekeeping adjustments and dual-time zone display. With 200m water resistance, a screw-down crown, chronograph, countdown timer, and perpetual calendar, this watch suits pilots, outdoor enthusiasts, and professionals requiring dependable functionality and rugged style.

This is a model from the G-Shock Mudmaster Series, designed for use in extreme environments scattered with rubble, dirt and debris, and uses carbon materials. The use of high rigidity carbon on the case keeps damage and deformation at bay, and ensures a high level of airtightness and shock resistance. This model also features a filter that protects against the invasion of mud, a stainless steel panel back, and a back cover made of shock-resistant fine resin embedded with glass fibers, giving it a high level of resistance to dust and mud. The bezel also uses three layers of fine resin with carbon fiber inserts and is designed to resemble a portable gasoline can that could be found on off-road vehicles. 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 G-Shock 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. This is a toughness watch that supports you in taking quick decisions and accurate actions.