Armitron 40/8439RBKTC

Armitron Sport Digital Chronograph Watch User Manual

Model: 40/8439RBKTC

Introduction

This manual provides detailed instructions for the setup, operation, maintenance, and troubleshooting of your Armitron Sport Men's Digital Chronograph Resin Strap Watch, model 40/8439. Please read this manual thoroughly to ensure proper use and longevity of your timepiece.

Front view of the Armitron Sport Digital Chronograph Watch with black case and red accents.

Front view of the Armitron Sport Digital Chronograph Watch. This digital watch features a black resin case with red accents, an LCD display showing time, seconds, day, and date, and multiple function buttons.

Product Features

  • Red resin case with black top ring for durability and style.
  • Clear LCD display showing time, seconds, day, and date.
  • Integrated functions including chronograph (stopwatch), daily alarm, and backlight for low-light visibility.
  • Comfortable black resin strap with a secure buckle closure.
  • Water resistant up to 165 feet (50 meters), suitable for short periods of recreational swimming.

Watch Components

Familiarize yourself with the buttons and display areas of your watch.

Side view of the Armitron Sport Digital Chronograph Watch showing buttons.

Side view of the Armitron Sport Digital Chronograph Watch, highlighting the various control buttons on the left and right sides of the watch case. These buttons are used for mode selection, adjustment, and starting/stopping functions.

  • MODE Button (Bottom Left): Used to cycle through different watch modes (Time, Alarm, Chronograph).
  • ADJ Button (Top Left): Used for adjusting settings within a mode (e.g., setting time, alarm).
  • SP/STP Button (Top Right): Used to start/stop the chronograph, or to toggle through adjustment options.
  • EL Button (Bottom Right): Activates the backlight for illumination of the display.

Setup and Initial Configuration

Setting the Time and Date

  1. From the normal time display mode, press and hold the MODE button until the digits begin to blink. This indicates you are in setting mode.
  2. Press the MODE button repeatedly to cycle through the settings: Seconds → Hour → Minute → Month → Date → Day of Week. The currently selected setting will blink.
  3. While a setting is blinking, press the SP/STP button to increase the value. For seconds, pressing SP/STP will reset them to zero.
  4. Once all settings are adjusted, press the ADJ button to exit the setting mode and save your changes.

Setting the Alarm

  1. From the normal time display, press the MODE button once to enter Alarm mode. The alarm time will be displayed.
  2. Press and hold the ADJ button until the alarm hour digits begin to blink.
  3. Press the SP/STP button to adjust the alarm hour.
  4. Press the MODE button to switch to the alarm minute setting.
  5. Press the SP/STP button to adjust the alarm minute.
  6. Press the ADJ button to exit alarm setting mode.
  7. To turn the alarm on or off, press the ADJ button while in Alarm mode (without holding). An alarm icon will appear/disappear on the display.

Operating Instructions

Using the Chronograph (Stopwatch)

  1. From the normal time display, press the MODE button twice to enter Chronograph mode. The display will show "0:00:00".
  2. Press the SP/STP button to start the chronograph.
  3. Press the SP/STP button again to stop the chronograph.
  4. To reset the chronograph to zero, press the ADJ button while the chronograph is stopped.

Activating the Backlight

  • Press the EL button (bottom right) to illuminate the display. The backlight will remain on for a few seconds.

Maintenance

  • Cleaning: Wipe the watch case and strap with a soft, damp cloth. Avoid using harsh chemicals or abrasive materials.
  • Water Resistance: Your watch is water resistant to 165 feet (50M). This means it is suitable for short periods of recreational swimming, but not for diving or snorkeling. Avoid pressing buttons underwater.
  • Battery Replacement: The watch uses 1 product-specific 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 water resistance is maintained.
  • Storage: When not in use for extended periods, store the watch in a cool, dry place away from direct sunlight and extreme temperatures.
Back view of the Armitron Sport Digital Chronograph Watch showing the strap and buckle.

Back view of the Armitron Sport Digital Chronograph Watch, displaying the resin strap with its buckle closure. Proper care of the strap and case back ensures comfort and extends the watch's lifespan.

Troubleshooting

ProblemPossible Cause / Solution
Watch display is blank or dim.Battery may be low or depleted. Replace the battery.
Cannot set the time or date.Ensure you are pressing and holding the MODE button to enter setting mode until digits blink. Follow the "Setting the Time and Date" instructions carefully. If still unable, the watch may require a reset (consult Armitron support).
Buttons are unresponsive.Ensure the watch is not wet. If it has been exposed to water, dry it thoroughly. If the issue persists, there may be an internal malfunction.
Alarm does not sound.Verify that the alarm is turned ON (alarm icon visible on display). Check alarm time settings.

Specifications

  • Model Number: 40/8439RBKTC
  • Display Type: Digital LCD
  • Case Material: Resin
  • Strap Material: Resin
  • Water Resistance: 165 feet (50 meters)
  • Functions: Time, Date, Day, Seconds, Chronograph, Alarm, Backlight
  • Battery: 1 Product Specific battery (included)
  • Approximate Dimensions: 3.82 x 3.43 x 2.8 inches (Package)
  • Approximate Weight: 4.59 ounces

Warranty and Support

Armitron watches are designed for durability and performance. For information regarding warranty coverage, service, or additional support, please refer to the official Armitron website or contact their customer service department. Keep your purchase receipt as proof of purchase for warranty claims.

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This manual is for informational purposes only. Specifications are subject to change without notice.

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