1. Product Overview
The TEKMAGIC W23 is a robust digital watch designed for water activities and daily use. It features a 100-meter water resistance rating, making it suitable for swimming, snorkeling, and diving. Key functions include a stopwatch, alarm clock, dual time display, 12/24 hour format, calendar, and backlight.

This watch is equipped with a Japanese quartz movement for accurate timekeeping and a comfortable silicone strap. Its shock-resistant construction ensures durability in various environments.

2. Setup and Button Functions
Before initial use, familiarize yourself with the watch buttons and their primary functions. The watch comes with a pre-installed CR2025 battery.

- SET Button (Top Left): Used to enter setting modes and confirm selections.
- MODE Button (Bottom Left): Cycles through different watch modes (Time, Stopwatch, Alarm, Dual Time).
- ADJ Button (Top Right): Adjusts values during setting modes.
- LIGHT Button (Bottom Right): Activates the backlight for illumination.
3. Operating Instructions
3.1. Setting Time and Date
- From the Time Display mode, press the SET button once. The seconds display will begin to flash.
- Press the MODE button to cycle through the settings: Seconds → Hour → Minute → Year → Month → Day → 12/24 Hour Format.
- Use the ADJ button to increase the flashing value. Hold ADJ for faster adjustment.
- Once all settings are adjusted, press the SET button to exit the setting mode.
3.2. Using the Stopwatch Function

- Press the MODE button repeatedly until "ST" (Stopwatch) appears on the display.
- Press the ADJ button to start the stopwatch.
- Press the ADJ button again to pause the stopwatch.
- To reset the stopwatch, press the SET button while the stopwatch is paused.
3.3. Setting the Alarm

- Press the MODE button repeatedly until "AL" (Alarm) appears on the display.
- Press the SET button. The hour digits will flash.
- Use the ADJ button to set the desired alarm hour.
- Press the MODE button to move to the minute digits, then use ADJ to set the minutes.
- Press the SET button to confirm and exit alarm setting.
- To turn the alarm ON/OFF, press the ADJ button while in Alarm mode (without pressing SET). An alarm icon will appear/disappear.
3.4. Dual Time Display

- Press the MODE button repeatedly until "DT" (Dual Time) appears on the display.
- Press the SET button. The hour digits will flash.
- Use the ADJ button to set the desired hour for the second time zone.
- Press the MODE button to move to the minute digits, then use ADJ to set the minutes.
- Press the SET button to confirm and exit dual time setting.
3.5. Backlight Function
Press the LIGHT button (bottom right) to illuminate the display for a few seconds in low-light conditions.
3.6. 12/24 Hour Format
The 12/24 hour format can be toggled during the time setting process (Section 3.1). When setting the time, cycle through the options until the 12/24 hour format appears, then use the ADJ button to select your preference.
3.7. Calendar Display

The watch automatically displays the date (month and day) in the main time display mode once set. The year is set during the initial time setup.
4. Maintenance
- Water Resistance: The watch is water resistant up to 100 meters (10 ATM). Ensure all buttons are not pressed while underwater to maintain water integrity. Rinse with fresh water after exposure to salt water or chlorine.
- Cleaning: Clean the watch case and strap with a soft, damp cloth. Avoid harsh chemicals or abrasive materials.
- Battery Replacement: The watch uses a CR2025 battery. If the display becomes dim or the watch stops functioning, the battery may need replacement. It is recommended to have battery replacement performed by a qualified technician to ensure water resistance is maintained.
- Storage: Store the watch in a cool, dry place away from direct sunlight and extreme temperatures.
5. Troubleshooting
- Watch Not Working / Dim Display: This often indicates a low battery. Replace the CR2025 battery.
- Difficulty Reading Display: Ensure you are viewing the display at an optimal angle. In low light, use the LIGHT button. If the issue persists after battery replacement, contact support.
- Water Inside Watch: If water ingress occurs, immediately stop using the watch and seek professional repair to prevent further damage.
- Buttons Not Responding: Check for any debris or foreign objects obstructing the buttons. If unresponsive, the internal mechanism may require inspection.
6. Specifications

| Feature | Detail |
|---|---|
| Time Accuracy | ±30 seconds per month |
| Water Resistance Level | 10 ATM (100m / 330ft) |
| Countdown Range | 23:59'59'' to 0:0'0'' |
| Display Type | Digital |
| Movement | Japanese Quartz |
| Battery Code | CR2025 |
| Operating Battery Life | 1.5 to 2 years |
| Dial Window Material | High Transparency Resin |
| Case Material | ABS |
| Case Size | 36x36mm / 1.4x1.4inch |
| Case Thickness | 9mm / 0.35inch |
| Watch Strap Material | Silicone |
| Watch Strap Width | 20mm / 0.8inch |
| Maximum Wrist Circumference | 235mm / 9.3inch |
| Minimum Wrist Circumference | 130mm / 5.1inch |
| Product Weight | 44g / 0.1lb |
7. Warranty and Support
For warranty information or technical support, please refer to the documentation included with your purchase or contact the seller directly through the platform where the watch was acquired. Ensure you have your purchase details and model number (W23) available when contacting support.