Invicta ACW2100-005
Invicta Activa Digital Essentials ACW2100-005 Men's Digital Watch User Manual
Model: ACW2100-005
Introduction
Thank you for choosing the Invicta Activa Digital Essentials ACW2100-005 Men's Digital Watch. This manual provides detailed instructions for setting up, operating, and maintaining your new timepiece. Please read this manual thoroughly to ensure proper use and to maximize the lifespan of your watch.

Image: The Invicta Activa Digital Essentials ACW2100-005 watch, featuring a clear case, black strap, and a grey dial with both analog hands and a digital display. Colorful hour markers are visible.
Setup Instructions
Before using your watch, it is important to set the correct time and date. Your watch features both analog hands and a digital display.
1. Setting Digital Time and Date
- Identify Buttons: Locate the control buttons on the sides of your watch. Typically, there are buttons for MODE, RESET, START, and LIGHT. Refer to the diagram below for button identification.
- Enter Time Setting Mode: Press the MODE button repeatedly until the time display starts flashing.
- Adjust Time: Use the START button to increase the flashing digit (hours, minutes, seconds). Use the RESET button to move to the next digit.
- Set Date: After setting the time, continue using the RESET button to navigate to the date settings (month, day, year) and adjust them with the START button.
- Exit Setting Mode: Once all settings are correct, press the MODE button again to exit the setting mode.

Image: A detailed view of the watch face, showing the digital time display and the various buttons on the side of the watch case, which are used for setting and operating functions.
2. Setting Analog Hands
The analog hands are typically set independently from the digital display. Refer to the crown or specific buttons for analog hand adjustment.
- Pull out the Crown: If your watch has a crown (a small knob on the side), gently pull it out to the first or second position.
- Adjust Hands: Turn the crown to move the analog hour and minute hands to the desired time.
- Push in the Crown: Once set, push the crown back into its normal position to start the analog movement.
- Note: Some digital-analog watches may have a specific button combination to adjust analog hands. Consult the watch's specific button functions if a crown is not present or does not adjust the hands.
Operating Instructions
Your Invicta Activa Digital Essentials watch offers several functions accessible via the control buttons.
1. Mode Selection
Press the MODE button to cycle through the different functions:
- Time Display: Shows current digital time (hours, minutes, seconds, AM/PM).
- Date Display: Shows current date (month, day, day of week).
- Alarm: Allows setting and activating an alarm.
- Stopwatch: For measuring elapsed time.
- Timer: For countdown functions.
- Second Time Zone (if applicable): Displays time in a different time zone.

Image: The watch face showing the digital display set to 10:07, demonstrating the clarity of the digital readout alongside the analog hands.
2. Using the Stopwatch
- Enter Stopwatch Mode: Press the MODE button until "STW" or "STOPWATCH" appears on the digital display.
- Start/Stop: Press the START button to begin timing. Press it again to stop.
- Reset: While the stopwatch is stopped, press the RESET button to clear the time to zero.
- Lap/Split Time: Some models allow lap times. While timing, press RESET to record a lap time without stopping the main timer. Press START to resume.
3. Setting and Using the Alarm
- Enter Alarm Mode: Press the MODE button until "ALM" or "ALARM" appears.
- Set Alarm Time: Press RESET to select the hour or minute digit, then use START to adjust the value.
- Activate/Deactivate Alarm: In alarm mode, press START to toggle the alarm ON/OFF. An alarm icon will typically appear when active.
- Snooze Function: If available, pressing RESET when the alarm sounds may activate snooze.
4. Backlight Function
Press the LIGHT button (usually located on the top left) to illuminate the digital display for a few seconds in low-light conditions. The watch also features "Glow In The Dark" elements for analog visibility.
Maintenance and Care
Proper care will ensure the longevity and performance of your Invicta watch.
1. Cleaning Your Watch
- Wipe the watch case and strap with a soft, dry cloth.
- For stubborn dirt, a slightly damp cloth can be used, followed by immediate drying.
- Avoid using harsh chemicals, solvents, or abrasive cleaners, as these can damage the watch's finish and materials.
2. Water Resistance
Important: This watch is listed as "Not Water Resistant". Avoid all contact with water, including showering, swimming, or exposure to rain. Water damage is not covered under warranty.
3. Battery Replacement
The watch is powered by a battery. When the display dims or functions become erratic, the battery may need replacement. It is recommended to have the battery replaced by a qualified watch technician to prevent damage to the internal components and ensure proper sealing (if applicable, though this model is not water resistant).
4. Storage
When not in use, store your watch in a cool, dry place, away from direct sunlight and extreme temperatures. The original packaging (Invicta box) is ideal for storage.

Image: The Invicta brand watch box, yellow on the outside and black on the inside, providing a secure place for watch storage.
Troubleshooting
If you encounter issues with your watch, refer to the following common problems and solutions:
| Problem | Possible Cause | Solution |
|---|---|---|
| Digital display is blank or dim. | Low battery. | Replace the battery. |
| Digital time is incorrect. | Time not set correctly or reset accidentally. | Follow "Setting Digital Time and Date" instructions in the Setup section. |
| Analog hands are not moving or show incorrect time. | Analog movement stopped or hands not synchronized. | Follow "Setting Analog Hands" instructions in the Setup section. If the problem persists, the battery may be low or a repair is needed. |
| Buttons are unresponsive. | Watch may be in a locked mode or battery is very low. | Try pressing all buttons firmly. If still unresponsive, replace battery. If problem persists, contact support. |
| Alarm does not sound. | Alarm not activated or set incorrectly. | Ensure alarm is set and activated (check for alarm icon). Verify alarm time is correct. |
If these solutions do not resolve the issue, please contact Invicta customer support for further assistance.
Specifications
Below are the key specifications for the Invicta Activa Digital Essentials ACW2100-005 watch:
- Model Name: ACW2100-005
- Brand: Invicta
- Display Type: Digital
- Watch Movement Type: Quartz
- Power Source: Battery Powered
- Case Material: Stainless Steel
- Band Material: Polyurethane
- Crystal Type: Mineral Glass
- Case Diameter: 44.2 Millimeters
- Case Thickness: 14.1 Millimeters
- Band Width: 20 Millimeters
- Clasp Type: Buckle
- Water Resistance Level: Not Water Resistant
- Additional Features: Digital, Glow In The Dark
- Department: Unisex-adult
Warranty and Support
For warranty information and customer support, please refer to the documentation included with your purchase or visit the official Invicta website. Keep your proof of purchase for warranty claims.
Invicta Customer Service: For technical assistance or service inquiries, please contact Invicta's authorized service centers. Contact details can typically be found on the Invicta brand website or in the warranty card provided with your watch.
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