Introduction
Thank you for choosing the LASIKA W-F82 Digital Sports Watch. This manual provides detailed instructions on how to set up, operate, and maintain your watch. Please read this manual thoroughly to ensure proper use and to maximize the features of your new timepiece.

Image: Front view of the LASIKA W-F82 Digital Sports Watch, showcasing its digital display and button layout.
Safety Information
- Do not attempt to open the watch case or remove the back cover. This may damage the watch and void the warranty.
- Avoid exposing the watch to extreme temperatures (hot or cold) or sudden temperature changes.
- Keep the watch away from strong magnetic fields.
- Clean the watch with a soft, dry cloth. Do not use chemical cleaners.
- While the watch is water-resistant, avoid pressing buttons underwater to prevent water ingress.
Product Overview
Familiarize yourself with the watch's components and button functions:

Image: Close-up view of the watch face, showing the digital display and the four control buttons located on the sides of the watch case. The model number W-F62 is visible on the watch face.
- A (MODE) Button: Located top-left. Used to cycle through different modes (Time, Stopwatch, Alarm, Date).
- B (LIGHT) Button: Located top-right. Activates the LED backlight for visibility in low light conditions.
- C (START) Button: Located bottom-right. Used to start/stop the stopwatch, adjust settings, or confirm selections.
- D (RESET) Button: Located bottom-left. Used to reset the stopwatch, cycle through settings, or cancel selections.
Setup
Setting Time and Date
- From the normal time display, press the MODE (A) button three times to enter the time setting mode. The seconds digits will flash.
- Press the RESET (D) button to reset the seconds to 00.
- Press the START (C) button to move to the hour setting. The hour digits will flash.
- Press the RESET (D) button to adjust the hour. Press repeatedly to advance the hour. Note the AM/PM indicator for 12-hour format.
- Press the START (C) button to move to the minute setting. The minute digits will flash.
- Press the RESET (D) button to adjust the minutes.
- Continue pressing START (C) to cycle through month, date, and day of the week settings, adjusting each with the RESET (D) button.
- Once all settings are complete, press the MODE (A) button to exit the setting mode and return to the normal time display.
Setting 12/24 Hour Format
While in the hour setting mode (step 4 above), pressing the RESET (D) button will cycle between 12-hour (with AM/PM indicator) and 24-hour formats. Select your preferred format before proceeding to minute setting.
Operating Instructions
Basic Time Display
In normal time mode, the watch displays the current time (hours, minutes, seconds) and the day of the week. The date (month and day) can also be viewed.

Image: The watch display showing the current day of the week (e.g., SU, MO, TU) and the date.
Using the Backlight
Press the LIGHT (B) button to illuminate the display. The backlight will remain active for a few seconds, providing visibility in dark environments.
Stopwatch Function
- From the normal time display, press the MODE (A) button once to enter stopwatch mode. The display will show 00:00:00.
- Press the START (C) button to begin timing.
- Press the START (C) button again to pause the stopwatch.
- Press the START (C) button once more to resume timing.
- While the stopwatch is paused, press the RESET (D) button to reset the stopwatch to 00:00:00.
- Press the MODE (A) button to exit stopwatch mode and return to the normal time display.
Alarm Function
- From the normal time display, press the MODE (A) button twice to enter alarm setting mode. The hour digits of the alarm time will flash.
- Press the RESET (D) button to adjust the alarm hour.
- Press the START (C) button to move to the alarm minute setting. The minute digits will flash.
- Press the RESET (D) button to adjust the alarm minutes.
- Press the MODE (A) button to exit alarm setting mode.
- To turn the alarm ON/OFF: In alarm mode, press the START (C) button to toggle the alarm on or off. An alarm icon will appear on the display when the alarm is active.
- When the alarm sounds, press any button to stop it.
Maintenance
Cleaning
Wipe the watch case and strap with a soft, slightly damp cloth. For stubborn dirt, a mild soap solution can be used, followed by wiping with a clean, damp cloth and then drying thoroughly. Avoid using harsh chemicals or abrasive materials.
Water Resistance
This watch is water-resistant up to 30 meters (3 ATM). This means it is suitable for daily use, splashes, and brief immersion in water. It is not suitable for swimming, diving, or prolonged water activities. Do not operate buttons while the watch is wet or submerged.
Battery Replacement
When the display becomes dim or the watch stops functioning, the battery may need replacement. Battery replacement should ideally be performed by a qualified watch technician to ensure proper sealing and water resistance. Refer to the specifications for battery type.
Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Watch display is blank or dim. | Low or dead battery. | Replace the battery. |
| Time is incorrect. | Time not set properly or accidental button press. | Refer to "Setting Time and Date" section to reset the time. |
| Alarm does not sound. | Alarm is turned off or set incorrectly. | Ensure the alarm is activated (alarm icon visible) and the time is set correctly. |
| Water inside the watch. | Buttons pressed underwater or exceeding water resistance limits. | Immediately take the watch to a qualified technician for inspection and repair. Do not attempt to dry it yourself. |
Specifications
- Model Number: W-F82
- Brand: LASIKA
- Display Type: Digital
- Movement Type: Quartz
- Case Material: Stainless Steel
- Band Material: Rubber
- Dial Case Diameter: 47 mm
- Water Resistance: 30 meters (3 ATM)
- Functions: Time (12/24 hour), Date, Day of Week, Stopwatch, Alarm, LED Backlight
- Weight: 39 g
Warranty and Support
For warranty information or technical support, please refer to the documentation provided at the time of purchase or contact your retailer. Keep your proof of purchase for any warranty claims.