From Casio, conquer demanding terrain and feel amazing with a rugged timepiece as bold and active as it is tough. Designed to work in the harshest environments, the G-SHOCK RANGEMAN GPRH1000 from the MASTER of G line is a truly tough piece of outdoor gear. With a mud-resistant structure to keep out fine dust and dirt, it is designed to withstand the most punishing conditions and the worst weather situations. This rugged timepiece is equipped with solar assisted charging, a heart rate monitor, built-in GPS functionality, and a high-definition, high-contrast memory-in-pixel (MIP) LCD for an easy read. The case is guarded by sizable metal components on the left and right, protecting the GPS antenna and six sensors inside, to deliver what you need for a wide range of activities. The trekking function allows you to check your heart rate while on the move so you can keep track of your physical condition during workouts.Case size (Lx Wx H): 60.6 x 53.2 x 20.3 mmWeight: 92 gCase and bezel material: Resin / Bio-based resinBio-based resin bandMud ResistantShock Resistant200-meter water resistanceTime adjustmentGPS signal reception: Manual receive (position information, time information)Power supply and battery lifeCharging system compatible with dedicated cable (requires device with Type-A USB terminal)Solar poweredSensor featureActivities: Multi-sport (running, trekking, walking, biking, swimming, others); Calculate and display distance, speed, pace, and other information using GPS or accelerometer; auto/manual lap function; auto pause functionTraining Analysis: Cardio load statusActivity Log Data: Up to 100 runs with up to 200 laps each, measurement time, distance, pace, running index, calories burned, energy source used, heart rate, maximum heart rate, cardio load, pitch, maximum pitch, stride, altitude gained, number of strokes,