Casio PRO TREK PRJ-B001B-1DR Tough Solar Bluetooth Outdoor Watch with Cloth Bungee Band

The Casio PRO TREK PRJ-B001B-1 is engineered for outdoor adventures, combining innovative technology with lightweight comfort. Its standout Rotary Guard Bezel rotates to protect the side buttons from accidental operation during hikes while allowing quick access whenever needed. The rugged black design is complemented by fluorescent accents and a compact profile, making it equally suitable for outdoor exploration and everyday wear.

Powered by Casio Tough Solar technology, the PRJ-B001B-1 converts sunlight and indoor light into energy, eliminating frequent battery replacements. Built-in Bluetooth® Smartphone Link automatically synchronizes the time through the CASIO WATCHES app and provides convenient features including world time, phone finder, automatic time adjustment, and the Time & Place function, which records your location and time for future reference during adventures.

This model features an innovative black cloth bungee-cord band, inspired by outdoor equipment. The elastic loop allows quick on-and-off wear and can even be attached to a backpack or worn over outdoor clothing, providing excellent versatility. Weighing only 37 grams, it is one of the lightest watches in the PRO TREK collection while maintaining exceptional durability with a bio-based resin case and 100-meter water resistance.

Designed for demanding environments, the PRJ-B001B-1 includes world time for 38 time zones, 1/100-second stopwatch, countdown timer, five daily alarms, double Super Illuminator LED lights, power-saving mode, and low-temperature resistance down to -10°C. Whether you're trekking, camping, or traveling, it delivers dependable performance backed by Casio's renowned outdoor technology.