1. Product Overview
The Armitron Sport Digital Chronograph Watch, model 45/7086, is designed for active individuals. It features a clear digital display, a durable resin strap, and multiple functions including a chronograph, alarm, and dual time zone capability. This watch is water-resistant up to 330 feet (100 meters), making it suitable for various water activities.

Figure 1: Front view of the Armitron Sport Digital Chronograph Watch in translucent blue.
Video 1: An overview of the Armitron Digital Chronograph Watch, highlighting its features and design. Note: The watch shown in the video may be a different color variant.
2. Initial Setup
Your Armitron Sport watch features four buttons: MODE (bottom left), RESET (top left), ST/STP (top right), and EL (bottom right, for backlight).
2.1 Setting Time and Date
- In normal time display mode, press the MODE button repeatedly until the seconds begin to flash. This indicates you are in setting mode.
- Press the ST/STP button to cycle through the settings: seconds, hour, minute, month, date, day of the week.
- Use the RESET button to adjust the flashing value. Hold it down to change values quickly.
- Once all settings are correct, press the MODE button to exit the setting mode.
2.2 Setting the Alarm
- From normal time display, press the MODE button until 'AL' (Alarm) appears on the display and the alarm hour flashes.
- Press the RESET button to adjust the alarm hour.
- Press the ST/STP button to move to the alarm minute setting.
- Press the RESET button to adjust the alarm minute.
- Press the MODE button to confirm and exit alarm setting mode.
- To activate/deactivate the alarm, press the RESET button while in alarm display mode. An alarm icon will appear/disappear.
3. Operating Modes
3.1 Chronograph (Stopwatch)
- Press the MODE button until 'ST' (Stopwatch) appears.
- Press ST/STP to start the stopwatch.
- Press ST/STP again to pause/resume.
- Press RESET to reset the stopwatch to zero.
3.2 Dual Time (T2)
This feature allows you to set and view a second time zone.
- Press the MODE button until 'T2' appears.
- Press and hold the RESET button until the hour flashes.
- Use ST/STP to select the hour or minute.
- Use RESET to adjust the flashing value.
- Press MODE to exit T2 setting mode.
3.3 Backlight (EL)
Press the EL button (bottom right) at any time to illuminate the display for easy viewing in low-light conditions.
Video 2: A detailed review of the Armitron Pro Sport Chronograph Alarm Digital Watch, demonstrating its various functions and how to operate them. Note: The watch shown in the video may be a different color variant.
4. Care and Maintenance
4.1 Water Resistance
This watch is water-resistant to 330 feet (100 meters). This means it is suitable for swimming and snorkeling, but not for scuba diving. Important: Do not press any buttons while the watch is submerged in water, as this can compromise the water resistance.

Figure 2: Water Resistance Chart, illustrating different levels of water resistance and their corresponding activities.
4.2 Cleaning
To clean your watch, wipe it with a soft, damp cloth. Avoid using harsh chemicals or abrasive materials, which can damage the resin case and strap.
4.3 Battery Replacement
The watch uses a product-specific battery. Battery replacement should ideally be performed by a qualified watch technician to ensure proper sealing and maintain water resistance.
5. Troubleshooting
5.1 Display is Blank or Faint
- The battery may be low or depleted. Replace the battery.
- Ensure the watch is not exposed to extreme temperatures.
5.2 Buttons are Unresponsive
- Ensure the watch is not in a locked mode (if applicable, refer to specific model features).
- If the watch was recently submerged, ensure it is completely dry.
5.3 Time is Incorrect
- Follow the instructions in Section 2.1 to reset the time and date.
- Check if the watch is in 12-hour or 24-hour format and adjust as desired.
6. Specifications
| Feature | Detail |
|---|---|
| Model Number | 45/7086 |
| Display Type | Digital |
| Watch Movement Type | Quartz |
| Power Source | Battery Powered (1 Product Specific battery included) |
| Case Material | Resin |
| Band Material | Plastic (Resin) |
| Water Resistance Depth | 330 Feet (100 Meters) |
| Case Diameter | 37.5 Millimeters |
| Case Thickness | 12.5 Millimeters |
| Band Width | 16 Millimeters |
| Item Weight | 0.12 Kilograms (approx. 4.2 ounces) |
| Closure Type | Buckle |
| Crystal Material | Acrylic |
7. Warranty and Support
7.1 Limited Warranty
This Armitron watch comes with a limited warranty. For specific details regarding coverage, duration, and terms, please refer to the warranty card included with your product or visit the official Armitron website.
7.2 Customer Support
For further assistance, technical support, or service inquiries, please visit the official Armitron website or contact their customer service department. You can find more information at the Armitron Store on Amazon.





