Introduction
This manual provides detailed instructions for the setup, operation, maintenance, and troubleshooting of your Invicta Activa Digital Watch, model ACW435-004. Please read this manual thoroughly to ensure proper use and to maximize the lifespan of your watch.

Image: Front view of the Invicta Activa Digital Watch ACW435-004, showcasing the digital display and surrounding buttons.
Watch Components
Familiarize yourself with the main components and buttons of your watch:
- Display: Shows time, date, and other functions.
- Left Top Button (LIGHT): Activates the backlight for visibility in low light conditions.
- Left Bottom Button (MODE): Cycles through different modes (Time, Alarm, Stopwatch).
- Right Top Button: Typically used for starting/stopping functions or adjusting values upwards.
- Right Bottom Button: Typically used for resetting functions or adjusting values downwards.

Image: Side view of the Invicta Activa Digital Watch, highlighting the functional buttons on the watch case.
Setup
Before using your watch, perform the initial setup to ensure accurate time and date display.
Setting Time and Date
- In the normal Timekeeping Mode, press the Left Bottom Button (MODE) repeatedly until the time setting digits (usually seconds) begin to flash. This indicates you are in setting mode.
- Press the Right Top Button or Right Bottom Button to adjust the flashing value (e.g., seconds, hours, minutes).
- Press the Left Bottom Button (MODE) again to move to the next setting item (e.g., hours, minutes, year, month, day).
- Repeat step 2 and 3 until all desired settings (time, date, 12/24-hour format) are adjusted.
- Once all settings are complete, press the Left Bottom Button (MODE) to exit the setting mode and return to normal timekeeping.
Note: If you find difficulty in setting the time, refer to the official Invicta support resources or search for digital watch setting guides online, as specific button combinations can vary slightly between models.
Operating Modes
Your Invicta Activa Digital Watch features several operating modes accessible via the Left Bottom Button (MODE).
Timekeeping Mode
This is the default mode, displaying the current time (hours, minutes, seconds), day of the week, and date.
Alarm Mode
To set an alarm:
- From Timekeeping Mode, press the Left Bottom Button (MODE) until 'AL' or 'Alarm' appears on the display.
- Press and hold the Left Bottom Button (MODE) until the alarm time digits begin to flash.
- Use the Right Top Button and Right Bottom Button to adjust the hour and minute settings.
- Press the Left Bottom Button (MODE) to confirm and exit.
- To activate/deactivate the alarm, press the Right Top Button while in Alarm Mode. An alarm icon will appear/disappear.
Stopwatch Mode
To use the stopwatch:
- From Timekeeping Mode, press the Left Bottom Button (MODE) until 'ST' or 'Stopwatch' appears.
- Press the Right Top Button to start the stopwatch.
- Press the Right Top Button again to stop the stopwatch.
- Press the Right Bottom Button to reset the stopwatch to zero.
Backlight Function
Press the Left Top Button (LIGHT) at any time to illuminate the display for a few seconds, enhancing readability in dark environments.
Maintenance
Proper care will help maintain the appearance and functionality of your watch.
Cleaning
- Wipe the watch case and band regularly with a soft, dry cloth.
- For stubborn dirt, use a slightly damp cloth and mild soap, then rinse with clean water and dry thoroughly.
- Avoid using harsh chemicals or abrasive cleaners, as these can damage the watch's finish or seals.
Water Resistance (30 Meters)
Your watch is water resistant 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, showering, or diving. Avoid operating buttons while the watch is wet or submerged to prevent water ingress.
Battery Replacement
When the display becomes dim or functions become erratic, it may be time to replace the battery. Battery replacement should ideally be performed by a qualified watch technician to ensure the water resistance seal is properly maintained.
Troubleshooting
If you encounter issues with your watch, refer to the following common problems and solutions:
| Problem | Possible Cause | Solution |
|---|---|---|
| Display is blank or dim. | Low or dead battery. | Replace the battery. |
| Time/Date is incorrect. | Not set correctly or accidental button press. | Refer to the 'Setting Time and Date' section to reset. |
| Water inside the watch. | Exceeded water resistance rating or buttons pressed underwater. | Immediately take the watch to a professional for inspection and repair to prevent further damage. |
| Buttons are unresponsive. | Dirt/debris, internal malfunction, or low battery. | Clean buttons. If issue persists, consult a technician. |
Specifications
Key technical specifications for the Invicta Activa Digital Watch ACW435-004:
- Model Number: ACW435-004
- Brand: Invicta
- Movement Type: Digital Quartz
- Display: Digital
- Case Material: Plastic
- Case Diameter: 44.5 Millimeters
- Case Thickness: 16.5 Millimeters
- Crystal: Mineral Glass
- Band Material: Resin
- Band Width: 22 Millimeters
- Band Length: 130 Millimeters
- Clasp Type: Buckle
- Water Resistance Depth: 30 Meters (3 ATM)
- Special Features: Shock resistant
- Power Source: Battery Powered
- Item Weight: 63 Grams
- Product Dimensions: 8.27 x 2.15 x 0.87 inches

Image: Rear view of the Invicta Activa Digital Watch, showing the stainless steel case back with model and brand engravings.
Warranty and Support
Warranty Information
Your Invicta Activa Digital Watch comes with a limited warranty. For specific details regarding warranty coverage, duration, and terms, please refer to the warranty card included with your purchase or visit the official Invicta website.
Customer Support
For further assistance, technical support, or service inquiries, please contact Invicta customer service through their official website or the contact information provided in your watch's packaging.





