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gshock WSD-F20A-BU pro trek mens smart watch
gshock WSD-F20A-BU pro trek mens smart watch
gshock WSD-F20A-BU pro trek mens smart watch
gshock WSD-F20A-BU pro trek mens smart watch

PRO TREK WSD-F20A-BU Smart Watch

Regular price $500.00


This new WSD-F20 color variation adopts indigo blue, a color that goes great with jeans and other fashions. It’s the perfect business and leisure time choice for today's active man. Lightweight, highly durable resin parts and a simple button layout let you enjoy smartwatch performance at a more affordable price.

The WSD-F20 smart outdoor watch with Android. Wear 2.0 gives you the freedom to try anything, making the most of you active life. With advanced GPS functionality added to the unique outdoor specifications of PRO TREK, including miniature built-in sensors that measure altitudes, atmospheric pressure and directions this watch supports activities in all kinds of fields by accurately sensing ever-changing natural phenomena and displaying positioning information for the current location on a full-color map. Other applications that support users in wide-ranging activities are also installed.


  • OS: Android Wear 2.0
  • 50 Meter Water Resistant*
  • Military Standard MIL-STD-810G
  • Microphone (water resistant)
  • Vibration
  • Bluetooth: Bluetooth® V4.1 (Low Energy support)
  • Wi-Fi: IEEE802.11 b/g/n
  • Memory & storage: 512 MB RAM, 4 GB internal storage
    • OS: Android Wear 2.0 (used with Smartphone running Android 4.3+ or later. For models for which operation has been confirmed, refer to the Google check page. )
    • (iPhone*5, equipped with iOS 9.0+ or later: iPhone 5 or later, with limited functionality.)
    • 50 Meter Water Resistant*1
    • Military Standard MIL-STD-810G (United Stated Military Standard issued by the U.S. Department of Defense)
    • 1.32-inch dual layer display, Color TFT LCD (320 x 300 pixles) + Monochrome LCD
    • Capacitive touchscreen
    • GPS (American GPS, Russian GLONASS and Japanese “MICHIBIKI” QZSS)
    • Steadily receives positioning data and displays your current position on a full-color map
    • Built-in Sensors: magnetic (direction), pressure (atmospheric, altitude), accelerometer, and gyrometer
    • Microphone (water resistant)
    • Vibration
    • Bluetooth: Bluetooth® V4.1 (Low Energy support)
    • Wi-Fi: IEEE802.11 b/g/n
    • Memory & storage: 512 MB RAM, 4 GB internal storage
    • Auto Time Correction: By communication with smartphone (Time can be adjusted manually.)
    • Time zones (world time function): Supports multiple world time zones (Types depend on system time zones)
    • Tool App (Compass, Altimeter, Barometer, Sunrise/Sunset, Tide Graph & Fishing Time, My Graph)
    • Digital Compass
    • Measuring range: 0 to 359 degrees
    • Measuring unit: 1 degree
    • 60 seconds continuous measurement
    • Hand indication of North
    • Magnetic declination calibration
    • Bearing Memory
    • Gradient Calibration


    • Measuring range: -700 to 10,000 m (-2,300 to 32,800 ft)
    • Measuring unit: 1m (5ft)
    • Measurement Accuracy: within +/-75m (+/- 250ft)
    • Measurement Interval: 1-second (shortest)
    • Altitude Graph: Past 24 hours
    • Manual altitude correction, Auto altitude correction using location information*2 *3


    • Display range: 260 to 1,100 hPa (7.6 to 32.5 inHg)
    • Display unit: 1 hPa (0.1 inHg)
    • Measurement Accuracy: within +/-3 hPa (within +/-0.1 inHg)
    • Atmospheric pressure tendency graph: Past 24 hours
    • Measurement Interval: 1-minute

Tide & Fishing

    • Tide Graph: Past 12 hours + next 12 hours
    • Fishing Time: calculated according to curent location, moon hour angle and age)

Sunrise/Sunset Data

    • Sunrise and sunset times (current location sunrise/sunset)
    • Sunrise and sunset directions (accuracy depends on compass)

My Graph*4:

    • Daily activity pattern: Stopped, walking, running, vehicle, Calories burned, Steps, Altitude (Highest altitude achieved that day), Workout time
    • Activity app (Trekking, Fishing, Cycling, Paddle, Snow)
    • Moment Setter app (Climbing, Trekking, Fishing and Cycling, Paddle, Snow notifications)
    • Location memory app (Map screen, route screen, selectable map skin, map downloading (off-line maps), voice memo, landmark, revisit marks, history screen)
    • Screen Brightness: 5 levels
    • Watch faces: 3 favorites, more can be added
    • Full auto-calendar: Auto switching by linking with smartphone
    • 12/24-hour timekeeping
    • Battery: Lithium-ion
    • Watch Battery level indicator: interger value, 0 to 100%
    • Approx. battery life:
    • · In normal use without GPS connectivity - More than 1 day, roughly (varies according to use)

      · Timepiece Mode (timekeeping only) - More than 1 month, roughly (varies according to use)

      · With GPS connectivity at 1-second intervals, up to 9 hours with accuracy priority (varies according to app use), up to 25 hours with battery priority

      ·With GPS connectivity at 6-minute intervals, up to 2 days with location tracking log saving on
    • Recharging Time: Approx. 2 hours at room temperature
    • Module: WSD-F20

Size of case/total weight
WSD-F20 61.7 x 57.7 x 15.3mm / 92g

*1 CASIO test conditions
*2 iOS not supported. (It is necessary to install CASIO MOMENT SETTER+ Ã??Ã???on an Android smartphone.)
*3 GPS altitude information is used, so the indicated altitude may not exactly match the actual above sea level elevation or altitude.
*4 Default: OFF
*5 Limited Functiionality when connected to an iOS device

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