Story A tech-forward smartwatch from the brand that is synonymous with toughness The G-Shock Rangeman is a smartwatch that one ups even its own expectations of what they’re capable of. This watch adds its own suite of smartwatch features to its legendarily tough form factor we all know. Blood oxygen levels, built-in GPS, heart rate, and yep, even moon data can live right on your wrist. And no need to baby it either, it’s built to withstand mud, water, dust, dirt, and more. Features Mud-resistant structure designed to keep out water, dust, and dirt Easy-to-use smartphone connectivity Solar assisted charging Heart rate monitor Blood oxygen level measurements Built-in GPS functionality Materials Case and Bezel Resin / Bio-Based Resin Band Bio-based Resin Band Glass Mineral Glass Manufacturing Country Japan Specs Weight 92g Construction Mud Resistant, Shock Resistant Water Resistance 200m Compatible Band Size 145 to 215 mm