As part of the G-Shock Mudmaster Series, this model is designed for extreme environments, featuring a durable carbon construction. Its high rigidity carbon case ensures resistance to damage and deformation, while maintaining airtightness and shock resistance. With a mud-resistant filter, stainless steel panel back, and shock-resistant fine resin back cover, it's built to withstand dust and mud. Functionally, it includes a compass, altimeter/barometer, temperature reader, and pedometer. Adjusting time and accessing features like the Mission Log via the CASIO WATCHES app is simple. This tough watch enables quick decisions and accurate actions in any situation. - 55.4 × 51.3 × 19.4mm case Size - 92g Weight - Carbon/Resin case and Bezel　 - Resin Band - Shock Resistant - Mud Resistant - Carbon Core Guard structure - 200 Meters Water Resistant - Approx. battery life: 2 years on CR2025 - Sensor feature: *Step count using a 3-axis acceleration sensor: 0 to 999,999 step count display range *Power Saving: Auto sensor sleep state entry after fixed period of non-activity - Altimeter *Changeover between meters (m) and feet (ft) - Barometer *Changeover between hPa and inHg - Digital compass - Thermometer *Changeover between Celsius (℃) and Fahrenheit (℉) - Smartphone Link feature: Mobile link (Wireless linking using Bluetooth®) - Mineral Glass - World time: 38 time zones (38 cities + coordinated universal time), daylight saving on/off, Home city/World time city swapping - Sunrise/sunset display - Stopwatch - Timer - Alarm/hourly time signal - Double LED light *LED light for the face (Auto LED light, Super illuminator, selectable illumination duration (1.5 seconds or 3 seconds), afterglow) *LED backlight for the digital display (Auto LED light, Super illuminator, selectable illumination duration (1.5 seconds or 3 seconds), afterglow) - Calendar: Full auto-calendar (to year 2099) - Mute feature: Button operation tone on/off - Accuracy: ±15 seconds per month (with no mobile link function) - 12/24-hour format