Casio Pro Trek Solar Bluetooth® Olive Green Dial Men's Watch | PRJ-B001B-5

The Casio Pro Trek PRJ-B001B-5DR Men's Watch is a lightweight, eco-friendly outdoor watch crafted for hikers, climbers, and adventure travelers who value comfort, durability, and smart functionality. Featuring a 46mm bio-based resin case with a 50.3mm lug-to-lug design, it maintains a rugged build while weighing only 37g, making it one of the lightest in the Pro Trek line. The unique olive-green digital dial is paired with a brown Rotary Guard Bezel, allowing you to switch between a sleek, protected mode for everyday wear and an open-access mode ideal for trekking and outdoor use. The scratch-resistant mineral crystal ensures durability, while the double white LED illumination offers excellent visibility during night trails or low-light conditions.

Powered by Tough Solar, the watch charges naturally through sunlight or indoor light, ensuring reliable performance on extended trips. Its Bluetooth® connectivity enhances outdoor functionality with automatic time adjustment and easy access to Pro Trek app features. The beige cloth strap adds breathability and comfort, making it ideal for long hours of wear. With 100 meters of water resistance, a solid case back, and dependable Japanese quartz movement, the PRJ-B001B-5DR is built to handle demanding environments. Backed by a 2-year international warranty, this Pro Trek model combines sustainability, comfort, and smart technology—perfect for explorers who want a stylish companion for every adventure. Available at Watch Zone BD. UPC: 4549526392856

Smartphone Link/App Connectivity Features

Mobile link (Wireless linking using Bluetooth®)

Apps: CASIO WATCHES

App connectivity feature

Auto time adjustment

Easy watch setting

Approximately 300 world time cities

Time & place

Phone finder

Watch Features

World time

38 time zones (38 cities + coordinated universal time), city code display, city name display, daylight saving on/off, auto summer time (DST) switching, Home city/World time city swapping

Stopwatch

1/100-second stopwatch Measuring capacity: 00'00''00~59'59''99 (for the first 60 minutes) 1:00'00~23:59'59 (after 60 minutes) Measuring unit: 1/100 second (for the first 60 minutes) 1 second (after 60 minutes) Measuring modes: Elapsed time, lap/split time

Timer

Countdown timer Measuring unit: 1 second Countdown range: 60 minutes Countdown start time setting range: 1 second to 60 minutes (1-second increments and 1-minute increments)

Alarm/hourly time signal

5 daily alarms

Hourly time signal

Light

Double LED light LED light for the face (Super illuminator, selectable illumination duration (1.5 seconds or 3 seconds), afterglow) LED backlight for the digital display (Super illuminator, selectable illumination duration (1.5 seconds or 3 seconds), afterglow)

Light color

LED: White

Calendar

Full auto-calendar (to year 2099)

Mute feature

Button operation tone on/off

Energy saving feature

Power Saving (display goes blank to save power when the watch is left in the dark)

Battery display/alert

Battery level indicator

Run time

Approx. battery operating time: 7 months on rechargeable battery (operation period with normal use without exposure to light after charge)

18 months on rechargeable battery (operation period when stored in total darkness with the power save function on after full charge)

Accuracy

Accuracy: ±15 seconds per month (with no mobile link function)

Other features

Hand shift feature (Hands move out of the way to provide an unobstructed view of digital display contents.)

12/24-hour format

Day display (days of the week selectable in six languages)

Regular timekeeping: Analog: 2 hands (hour, minute (hand moves every 20 seconds)), 1 dial (battery level, mode) Digital: Hour, minute, second, pm, month, date, day