Casio Pro PRW-61 Trek Black and Silver Watch

The Casio Pro Trek PRW-61 is a solar-powered, radio-controlled analog-digital watch designed for outdoor use. A notable feature is that the watch's case, band, and case back are made from eco-friendly bio-based resin. General specifications Case Dimensions: 51 x 47.4 x 14.7 mm (51.0 × 47.4 × 14.7 mm on Casio.com) Weight: 53 g Case Material: Biomass-based plastic with stainless steel elements Band Material: Biomass-based plastic Water Resistance: 100 meters (10 bar) Glass: Mineral glass Display: Analog-digital combination with a high-contrast dial for readability Light: Full-auto double LED light (Super Illuminator) Low-Temperature Resistance: Down to -10°C (14°F) Outdoor features Triple Sensor: Equipped with a compass, barometer/altimeter, and thermometer. Digital Compass: Measures and displays one of 16 directions, with continuous measurement. Barometer: Measures and displays barometric pressure. Altimeter: Measures and displays altitude, with memory for manual readings. Thermometer: Measures and displays temperature, though for accurate readings, the watch should be removed from the wrist. Timekeeping and power Tough Solar: Casio's solar charging system that converts light into power, eliminating the need for battery replacement. Battery Life: Operates for approximately 6 months on a full charge with normal use, or about 25 months with the Power Saving function. Multi-Band 6: Receives time-calibration signals from six transmitters around the world to maintain accurate t