Casio Pro Trek Triple Sensor Tough Solar Bluetooth Men's Watch | PRW-B1000-1

The Casio Pro Trek PRW-B1000-1 Men's Watch is a premium outdoor adventure watch engineered for explorers who demand precision, durability, and smart connectivity in extreme environments. Inspired by the sheer vertical cliffs of Yosemite’s El Capitan, this rugged timepiece features a distinctive octagonal bezel crafted from stainless steel and bio-based resin, delivering strength with an environmentally conscious design. Its lightweight construction, weighing just 79g, ensures exceptional comfort during long treks, climbs, and travel.

Sensor feature

Compass function:

16 direction / direction angle (0 to 359°) measured, direction continuous measurement (60 seconds), north direction guideline function.

Bearing memory function. Automatic horizontal, magnetic declination, and orientation correction function.

Barometric pressure measurement function

(measurement range: 260~1,100hPa (7.65~32.45inHg), 1hPa (0.05inHg)),

Barometric pressure trend graph display (past 20 hours displayed), pressure difference indicator (±10hPa)

Barometric pressure trend information alarm (when a characteristic change in air pressure occurs, it will be notified by arrows and sound notification)

The pressure trend graph can be changed to measurement every 2 minutes.

That's for the last 20 minutes.

*Changeover between hPa and inHg

Altitude measurement function/relative altimeter

(measurement range: -700 to 10,000 m (-2,300 to 32,800 ft), in units of 1 m (5 ft))

Advanced memory (up to 30 manual memories of measurement date, month, time, and altitude),

Automatic recording data (highest/lowest altitude, auto accumulation (ascent/descending) memory)

Altitude trend graph, altitude difference indicator (±100 m/ ±1,000 m)

Measurement interval setting function (every 5 seconds / 2 minutes)

*Every 1 second for the first 3 minutes only

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

Temperature measurement function

(measurement range: -10 to 60 °C (14 °F to 140 °F), 0.1 °C (0.2 °F))

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

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

Location Indicator

Location Memory

Route log

Mode/Display switching customization

Auto altitude correction

Phone finder

Watch Features

World time

38 time zones (55 cities + coordinated universal time), daylight saving on/off, auto summer time (DST) switching, 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

Measuring capacity: 23:59'59.99''

Measuring modes: Elapsed time, split time, 1st-2nd place times

Timer

Countdown timer

Measuring unit: 1 second

Countdown range: 60 minutes

Countdown start time setting range: 1 minute to 60 minutes (1-minute increments)

Alarm/hourly time signal

5 daily alarms

Hourly time signal

Light

Double LED light

LED light for the face (Full auto LED light, Super illuminator, selectable illumination duration (1.5 seconds or 3 seconds), afterglow)

LED backlight for the digital display (Full auto LED light, 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

Hand home position correction feature

The auto hand home position correction

Energy saving feature

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

Battery display/alert

Battery level indicator

Run time

Approx. battery operating time:

6 months on rechargeable battery (operation period with normal use without exposure to light after charge)

24 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 signal calibration and mobile link function)

Other features

12/24-hour format

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

Regular timekeeping:

Analog: 3 hands (hour, minute (hand moves every 10 seconds), second),

2 dials

Digital: Hour, minute, second, pm, month, date, day

Time adjustment details

Time Calibration Signals

Station name: DCF77 (Mainflingen, Germany)

Frequency: 77.5 kHz

Station name: MSF (Anthorn, England)

Frequency: 60.0 kHz

Station name: WWVB (Fort Collins, United States)

Frequency: 60.0 kHz

Station name: JJY (Fukushima, Fukuoka/Saga, Japan)

Frequency: 40.0 kHz (Fukushima) / 60.0 kHz (Fukuoka/Saga)

Station name: BPC (Shangqiu City, Henan Province, China)

Frequency: 68.5 kHz

Time calibration signal reception

Auto receive up to six* times a day (remaining auto receives canceled as soon as one is successful)

*5 times a day for the Chinese calibration signal

Manual receive

The latest signal reception results