Casio Pro Trek Hiker Line Watch with Tough and Biomass Plastic Charcoal Gray Bluetooth, Solar, Construction, PRJ-B001-1JF, Men's,

The PRJ-B001/PRJ-B001B is the lightest model in the PRO TREK lineup, perfect for those who enjoy long trails and ultralight hikes. Tough Solar: Casio's unique solar charging system combines a solar panel that generates power even with minimal light with a large-capacity secondary battery to ensure stable operation of various functions under heavy loads. 10 ATM Water Resistance: Water resistance is 10 ATM. Mobile Link Function: Functions can be linked via Bluetooth® communication with a compatible smartphone. Other product specifications: Please check the description.