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Style: Casio Pro Trek
Colorway: Black‚
Sku:‚ WSD-F20X-BK


  • 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
  • Altimeter
  • 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
  • Barometer
  • 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+ ‚?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
Shipping and Disclaimer
(*does not include processing time)
Standard - 3 to 5 Business Days
Express - 2 to 3 Business Days

• Standard - 8 to 10 Business Days
• Express - 3 to 5 Business Days

(China, Hong Kong, Taiwan, Singapore, UK, Germany, Australia)
• Standard - 8 to 10 Business Days
• Express - 3 to 5 Business Days

• Standard - 10 to 14 Business Days
• Express - 4 to 6 Business Days

Due to the age of certain products, it may not be wearable, please wear at your own risk. All USD pricing are estimates only. Please allow 2-3 business days to process your order. Preorder and special order items require up to 4 weeks to process prior to shipping. Any delays caused by the customs and/or shipping courier are out of our control. Customers outside of Canada are responsible for payment of duties and taxes. Confirm shipping fee at checkout.
Size Chart
Size Chart