A “PRO TREK” model with improved outdoor use possibilities, thanks to the connection via Bluetooth® to the dedicated “CASIO WATCHES” app. Quad sensor capable of measuring the number of steps, direction, altitude, barometric pressure and temperature. Records calories burned, altitudes reached by the watch and routes recorded via the smartphone’s GPS in the app. The simplification of various settings allows automatic adjustment of the clock worldwide. The watch also automatically corrects the altimeter and calculates sunrise and sunset times. Additionally, you can turn modes on or off and customize your watch by changing displays from the app. The fine resin back features a structure that integrates with the fins. Both the button protection structure and the case are more robust. The large dial uses Arabic indices which ensure high visibility. The metal parts are used for the hand indication and the colors, reminiscent of the great outdoors, are used as accents. In addition, the entire surface of the urethane strap is enriched with a 3D structure that prevents the strap from slipping, improving the possibilities of outdoor use.
Case dimensions (H x W x D)
57.5 × 50.8 × 15.8 mm
Weight
64 g
Case and bezel material
resin
Strap
Strap in resin
Waterproof
Waterproof up to 10 bar
Resistance to atmospheric agents
Resistant to low temperatures (-10 °C/14 °F)
Power and battery life
Approximate battery life: 2 years with CR2025
Function of the sensor
Step counting using a 3-axis acceleration sensor: step count display range from 0 to 999,999 Energy saving: automatically enters the sensor sleep state after a certain period of inactivity
Altimeter Measurement range: -700 to 10,000 m (-2,300 to 32,800 ft) Unit of measurement: 1 m (5 feet) Graph with hand indication of altitude differential Manual measurements in memory (up to 14 records, each including altitude, date, time) Automatic log data (high/low altitudes, cumulative ascent and descent) Other: Altitude differential values Relative altitude (±100 m / ±1000 m), Selectable measurement interval: 5 seconds or 2 minutes (1 second only for the first 3 minutes) *Conversion between meters (m) and feet (ft)
Barometer Measuring range: 260 to 1,100 hPa (7.65 to 32.45 inHg) Unit of measurement: 1 hPa (0.05 inHg) Difference hand indication pressure (±10 hPa) Barometric pressure trend graph (last 20 hours or last 56 hours) Barometric pressure trend information alert barometric pressure (beeper and arrow indicate significant changes in pressure) The barometric pressure trend graph can show measurements for the last 20 minutes or the last 56 minutes. The pressure difference hand indication shows values in units of ±0.1 hPa. *Conversion between hPa and inHg
Digital compass Measures and displays direction as one of 16 points Measuring range: 0 to 359° Unit of measurement: 1° 60 seconds of continuous measurement North indication via hand Magnetic declination correction Heading calibration (2-point calibration, eight-digit calibration, automatic calibration)
Thermometer Measuring range: from -10 to 60°C (14 to 140°F) Units: 0.1°C (0.2°F) *Conversion between Celsius (°C) and Fahrenheit (°F)
Smartphone connection function
Mobile Link (wireless connection via Bluetooth®)
App
CASIO WATCHES
Glass
Mineral glass
Bezel FeaturesDirectional bezel
World time
World time 38 time zones* (38 cities + Coordinated Universal Time), daylight saving time on/off, switching from Home City to World Time City
Viewing sunrise and sunset
Viewing sunrise and sunset times
Sunrise and sunset times for specific date
Stopwatch
Hundredths of a second stopwatch 00’00”00~59’59”99 (for the first 60 minutes) 1: 00’00~23:59’59 (after 60 minutes) Unit of measurement: 1 hundredth of a second (for the first 60 minutes) 1 second (after 60 minutes) Measurement mode: Elapsed time, split time, 1st and 2nd place times
Timer
Countdown timer Measurement unit: 1 second Countdown interval: 24 hours Countdown start time setting range: 1 second to 24 hours (1 minute increments and 1 hour increments)
Audible reminder /Time signal
5 daily sound reminders
Time signal
Light
Double LED light for the dial (automatic LED illumination, Neon Illuminator, selectable illumination duration (1.5 or 3 seconds), luminescence) LED backlight for the digital display (automatic LED illumination, Super Illuminator, selectable illumination duration (1.5 or 3 seconds), luminescence)
Light color
LED: white
LED: Neon Illuminator (black light LED)
Calendar
Full automatic calendar (up to the year 2099)
Mute the volume
Turn the pressure tone on/off buttons
Accuracy
Accuracy: ±15 seconds per month (without Mobile Link function)
Other features
12/24 hour format
Hand moving function
Regular timekeeping: Analog: 3 hands (hour, minute (the hand moves every 10 seconds), second) Digital: hour, minute, second, am/pm, month, date, day
PRT-B50-1
Case dimensions (H x W x D)
57.5 × 50.8 × 15.8 mm
Weight
64 g
Case and bezel material
resin
Strap
Strap in resin
Waterproof
Waterproof up to 10 bar
Resistance to atmospheric agents
Resistant to low temperatures (-10 °C/14 °F)
Power and battery life
Approximate battery life: 2 years with CR2025
Function of the sensor
Step counting using a 3-axis acceleration sensor: step count display range from 0 to 999,999 Energy saving: automatically enters the sensor sleep state after a certain period of inactivity
Altimeter Measurement range: -700 to 10,000 m (-2,300 to 32,800 ft) Unit of measurement: 1 m (5 feet) Graph with hand indication of altitude differential Manual measurements in memory (up to 14 records, each including altitude, date, time) Automatic log data (high/low altitudes, cumulative ascent and descent) Other: Altitude differential values Relative altitude (±100 m / ±1000 m), Selectable measurement interval: 5 seconds or 2 minutes (1 second only for the first 3 minutes) *Conversion between meters (m) and feet (ft)
Barometer Measuring range: 260 to 1,100 hPa (7.65 to 32.45 inHg) Unit of measurement: 1 hPa (0.05 inHg) Difference hand indication pressure (±10 hPa) Barometric pressure trend graph (last 20 hours or last 56 hours) Barometric pressure trend information alert barometric pressure (beeper and arrow indicate significant changes in pressure) The barometric pressure trend graph can show measurements for the last 20 minutes or the last 56 minutes. The pressure difference hand indication shows values in units of ±0.1 hPa. *Conversion between hPa and inHg
Digital compass Measures and displays direction as one of 16 points Measuring range: 0 to 359° Unit of measurement: 1° 60 seconds of continuous measurement North indication via hand Magnetic declination correction Heading calibration (2-point calibration, eight-digit calibration, automatic calibration)
Thermometer Measuring range: from -10 to 60°C (14 to 140°F) Units: 0.1°C (0.2°F) *Conversion between Celsius (°C) and Fahrenheit (°F)
Smartphone connection function
Mobile Link (wireless connection via Bluetooth®)
App
CASIO WATCHES
Glass
Mineral glass
Bezel FeaturesDirectional bezel
World time
World time 38 time zones* (38 cities + Coordinated Universal Time), daylight saving time on/off, switching from Home City to World Time City
Viewing sunrise and sunset
Viewing sunrise and sunset times
Sunrise and sunset times for specific date
Stopwatch
Hundredths of a second stopwatch 00’00”00~59’59”99 (for the first 60 minutes) 1: 00’00~23:59’59 (after 60 minutes) Unit of measurement: 1 hundredth of a second (for the first 60 minutes) 1 second (after 60 minutes) Measurement mode: Elapsed time, split time, 1st and 2nd place times
Timer
Countdown timer Measurement unit: 1 second Countdown interval: 24 hours Countdown start time setting range: 1 second to 24 hours (1 minute increments and 1 hour increments)
Audible reminder /Time signal
5 daily sound reminders
Time signal
Light
Double LED light for the dial (automatic LED illumination, Neon Illuminator, selectable illumination duration (1.5 or 3 seconds), luminescence) LED backlight for the digital display (automatic LED illumination, Super Illuminator, selectable illumination duration (1.5 or 3 seconds), luminescence)
Light color
LED: white
LED: Neon Illuminator (black light LED)
Calendar
Full automatic calendar (up to the year 2099)
Mute the volume
Turn the pressure tone on/off buttons
Accuracy
Accuracy: ±15 seconds per month (without Mobile Link function)
Other features
12/24 hour format
Hand moving function
Regular timekeeping: Analog: 3 hands (hour, minute (the hand moves every 10 seconds), second) Digital: hour, minute, second, am/pm, month, date, day
PRT-B50-1