Armitron 40/8254BLK
Armitron Sport Men's 40/8254BLK Black Digital Chronograph Watch User Manual
Model: 40/8254BLK | Brand: Armitron
Introduction
This manual provides comprehensive instructions for the operation and maintenance of your Armitron Sport Men's 40/8254BLK Black Digital Chronograph Watch. Please read this manual thoroughly to ensure proper use and to maximize the lifespan of your timepiece.

Figure 1: Front view of the Armitron Sport Men's 40/8254BLK Black Digital Chronograph Watch, showcasing its digital display and surrounding buttons.
Safety Information
Your Armitron Sport watch is designed with water resistance features. Adhere to the following guidelines to prevent damage:
- Water Resistance: This watch is water resistant to 330 feet (100 meters). It is suitable for snorkeling and swimming.
- Important Note: Do not operate the push buttons below the surface of the water. This can compromise the watch's water resistance seal.
- Avoid exposing the watch to extreme temperatures or sudden temperature changes.
- Rinse the watch with fresh water after exposure to salt water or chlorine, then dry thoroughly.

Figure 2: Water Resistance Chart illustrating suitable activities for different water resistance ratings, confirming this model's suitability for swimming and snorkeling.
Components Overview
Familiarize yourself with the main components and buttons of your watch:
- Display: Digital display showing time, date, and various mode indicators.
- MODE Button: Cycles through different operating modes (Time, Chronograph, Alarm, Dual Time).
- RESET Button: Used for resetting functions or adjusting settings in various modes.
- ST/STP Button: Starts and stops the chronograph, or sets values in adjustment modes.
- EL Button: Activates the Electro-Luminescent backlight for illumination in low light conditions.
- Rotating Bezel: Outer ring with compass markings (W, SW, NW, etc.) for directional reference.

Figure 3: The Armitron Sport Men's 40/8254BLK watch worn on a wrist, demonstrating its size and fit.
Setup
Setting Time and Date
- In Time Mode, press and hold the MODE button until the seconds begin to flash.
- Press the RESET button to cycle through the setting options: Seconds → Hour → Minute → Year → Month → Day.
- Use the ST/STP button to adjust the flashing value. For seconds, pressing ST/STP will reset them to zero.
- Once all settings are correct, press the MODE button to exit the setting mode.
Battery Information
Your watch is powered by 1 Lithium Metal battery (included). When the display dims or functions become erratic, it may be time to replace the battery. It is recommended to have battery replacement performed by a qualified watch technician to ensure the water resistance seal is maintained.
Operating Modes
Press the MODE button to cycle through the following functions:
- Time Mode: Displays current time (12/24-hour format), day of the week, and date. Press EL for backlight.
- Chronograph (Stopwatch):
- Press ST/STP to start/stop the timer.
- Press RESET to reset the timer to zero.
- Press RESET during timing to record lap times.
- Alarm Mode:
- In Alarm Mode, press ST/STP to turn the alarm ON/OFF.
- Press and hold RESET to set the alarm time. Use ST/STP to adjust and RESET to confirm.
- Dual Time Mode: Allows setting and viewing a second time zone. Follow similar setting procedures as Time Mode.
- Military Time Function: The watch supports 12-hour and 24-hour (military) time formats. This can be toggled during time setting.
Product Overview Video
This video provides a brief overview of the Armitron Sport Men's 40/8254BLK Black Digital Chronograph Watch, showcasing its design and basic features.
Maintenance
- Cleaning: Wipe the watch regularly with a soft, dry cloth. For stubborn dirt, use a slightly damp cloth and mild soap, then dry thoroughly.
- Battery Replacement: The watch uses a CR2025 battery. While it is possible to replace it yourself, professional service is recommended to ensure the integrity of the water resistance seal.
- Storage: Store your watch in a cool, dry place away from direct sunlight and extreme temperatures when not in use.
- Avoid Chemicals: Do not expose the watch to solvents, detergents, perfumes, or cosmetic sprays, as these can damage the resin material and seals.
Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Display is dim or blank. | Low battery. | Replace the battery (CR2025). Professional replacement recommended. |
| Buttons are unresponsive. | Watch may be in a locked state or battery is too low. | Try pressing all buttons firmly. If issue persists, replace battery. |
| Time is inaccurate. | Incorrect time setting or low battery. | Reset the time and date. If problem continues, replace battery. |
| Condensation inside the watch. | Water resistance seal compromised or extreme temperature change. | Seek professional service immediately to prevent further damage. Avoid extreme temperature changes. |
Specifications
- Model Number: 40/8254BLK
- Movement: Quartz Digital
- Display: Digital
- Case Material: Resin
- Band Material: Resin
- Crystal Material: Plastic
- Water Resistance: 100 Meters (330 Feet)
- Functions: Chronograph, Alarm, Dual Time, Lap Time, Military Time, Backlight
- Battery: 1 Lithium Metal battery (CR2025)
- Product Dimensions: 7 x 27 x 11 inches
- Item Weight: 4.8 ounces
- Manufacturer: Armitron Sport
- Country of Origin: China
Warranty and Support
Armitron watches typically come with a limited warranty covering manufacturing defects. For specific warranty details, please refer to the warranty card included with your purchase or visit the official Armitron website. For technical support, repairs, or parts, please contact Armitron customer service through their official channels.
Official Armitron Store: Visit the Armitron Store on Amazon
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