Casio Pro Trek PRT-B50-1 Quad Sensor Bluetooth Men's Watch

The Casio Pro Trek PRT-B50-1DR Quad Sensor Bluetooth Men's Watch is an ideal companion for outdoor enthusiasts, combining rugged durability with advanced technology. With a large 50.8mm resin case, a grey dial, and a robust 57.5mm lug-to-lug span, this timepiece is designed to withstand harsh environments while offering superior functionality. Featuring a quad sensor, it can track steps, direction, altitude/barometric pressure, and temperature, keeping you informed of essential environmental changes. Linked via Bluetooth to the "CASIO WATCHES" app, it provides advanced capabilities such as recording calories burned, altitudes, and GPS-acquired routes. The app also allows for automatic time adjustments, altimeter corrections, and customization of watch displays. With low-temperature resistance down to -10°C and water resistance up to 100 meters, the PRT-B50-1DR is built for extreme conditions. The rugged design includes a black fixed bezel, a 3D-textured urethane band with improved usability, and a fine resin back cover integrated with the lugs for added durability. The wide dial, with bold Arabic indices and outdoor-inspired accents, ensures high visibility. Weighing only 44g and powered by a long-lasting CR2025 battery, the watch offers up to 2 years of life, making it a reliable choice for adventurers. Backed by a 2-year Watch Zone warranty, the PRT-B50-1DR is built to support your outdoor lifestyle.

Smartphone Link/App Connectivity Features

Mobile link (Wireless linking using Bluetooth®)

Apps: CASIO WATCHES

Sensor feature

Step count using a 3-axis acceleration sensor: 0 to 999,999 step count display range

Power Saving: Auto sensor sleep state entry after fixed period of non-activity

Altimeter

Measuring range: -700 to 10,000 m (-2,300 to 32,800 ft.)

Measuring unit: 1 m (5 ft.)

Hand indication graph of altitude differential

Manual memory measurements (up to 14 records, each including altitude, date, time)

Auto log data (High/low altitudes, cumulative ascent and descent)

Others: Relative altitude readings (±100 m /±1000 m), selectable measurement interval: 5 seconds or 2 minutes (1 second for first 3 minutes only)

*Changeover between meters (m) and feet (ft)

Barometer

Measuring range: 260 to 1,100 hPa (7.65 to 32.45 inHg)

Measuring unit: 1 hPa (0.05 inHg)

Hand indication of pressure differential (±10 hPa)

Atmospheric pressure tendency graph (last 20 hours or last 56 hours)

Barometric pressure tendency information alarm (beep and arrow indicates significant changes in pressure)

The atmospheric pressure tendency graph can show the last 20 minutes or last 56 minutes of measurements.

The hand indication of pressure differential shows values in units of ±0.1 hPa.

*Changeover between hPa and inHg

Digital compass

Measures and displays direction as one of 16 points

Measuring range: 0 to 359°

Measuring unit: 1°

60 seconds continuous measurement

Hand indication of north

Magnetic declination correction

Direction calibration (2-point calibration, figure eight calibration, auto calibration)

Thermometer

Measuring range: -10 to 60℃ (14 to 140℉)

Measuring unit: 0.1℃ (0.2℉)

*Changeover between Celsius (℃) and Fahrenheit (℉)

Watch Features

World time

38 time zones (38 cities + coordinated universal time), daylight saving on/off, Home city/World time city swapping

Sunrise/sunset display

Sunrise, sunset time display Sunrise time and sunset time for specific date

Stopwatch

1/100-second stopwatch 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, split time, 1st-2nd place times

Timer

Countdown timer Measuring unit: 1 second Countdown range: 24 hours Countdown start time setting range: 1 second to 24 hours (1-minute increments and 1-hour increments)

Alarm/hourly time signal

5 daily alarms

Hourly time signal

Light

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

Light color

LED: White

LED: Neon Illuminator (Blacklight LED)

Calendar

Full auto-calendar (to year 2099)

Mute feature

Button operation tone on/off

Accuracy

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

Other features

12/24-hour format

Hand shift feature

Regular timekeeping: Analog: 3 hands (hour, minute (hand moves every 10 seconds), second) Digital: Hour, minute, second, am/pm, month, date, day