**Product Specifications:**
**Brand:** CASIO
**Model:** PRW-6900BF-1
**Color:** Black with IP coating
**Features:**
- Lightweight forest design
- Flame-like red accents on the dial
- Cast iron pot-style engraved metal bezel
- Resin strap made from eco-friendly materials
- Third-generation Triple Sensor technology
- Solar-powered with high-brightness LED illumination
- 6-band radio control
- World time function for 29 cities
- Compass, altimeter, barometer, and thermometer displays
- Countdown timer, daily alarm, and low battery warning
- Water-resistant up to 100 meters
- Tough movement with automatic calendar
**Dimensions:**
- Case Diameter: 49.6mm (longitudinal), 44.8mm (transverse)
- Case Thickness: 14.7mm
- Weight: 65g
**Materials:**
- Case: Resin
- Strap: Resin
**Additional Information:**
- Environmentally friendly design using bio-plastics derived from renewable organic resources like hemp seeds or corn
- Sharp-edged design resembling a Dutch oven
- Camping knife-shaped hands
- High-brightness LED illumination charges the watch using solar or ambient light
- Automatic time calibration via radio signals from 6 transmitters worldwide
- Low-temperature resistance (-10°C)
- Water-resistant up to 100 meters
- 12/24-hour time formats
- Full automatic calendar
(Note: Due to variations in production batches and measurement methods, actual dimensions may vary slightly. Please refer to the physical product for precise details.)