Introduction
This manual provides comprehensive instructions for the Armitron Sport Women's Digital Chronograph Watch, Model 45/7138. Please read this manual thoroughly before using your watch to ensure proper operation and care. Retain this manual for future reference.
Product Overview
The Armitron Sport Digital Chronograph Watch features a digital display, chronograph functions, and a durable resin strap. It is designed for active use and includes a backlight for visibility in low-light conditions.
Watch Components
- Display: Digital time, date, and function indicators.
- Buttons: Typically located on the sides of the watch case for mode selection, setting, and chronograph control.
- Strap: Resin material with a buckle closure.
- Case: Resin case, designed for durability.
- Backlight: Illuminates the display for night viewing.

Figure 1: Side view of the watch, highlighting the control buttons.

Figure 2: Back view of the watch, illustrating the strap and buckle mechanism.
Setup
Setting Time and Date
- Press the MODE button repeatedly until the time setting mode is displayed (usually indicated by flashing digits).
- Use the SET or ADJUST button to select the digit you wish to change (hours, minutes, seconds).
- Use the START/STOP or +/– button to increase or decrease the selected digit.
- Repeat steps 2 and 3 for setting the date (month, day, year) if applicable.
- Press the MODE button again to exit the setting mode and return to normal time display.
Operating Instructions
Using the Chronograph (Stopwatch)
- Press the MODE button until the chronograph display appears (often indicated by "CHRO" or "STP").
- Press the START/STOP button to begin timing.
- Press the START/STOP button again to pause the timing.
- To resume, press START/STOP.
- To reset the chronograph to zero, press the RESET button while the chronograph is stopped.
Using the Backlight
To illuminate the display in dark conditions, press the LIGHT or INDIGLO button. The backlight will typically remain on for a few seconds.
Alarm Function
- Press the MODE button until the alarm setting mode is displayed (often indicated by "ALM").
- Use the SET or ADJUST button to select the hour or minute digit.
- Use the START/STOP or +/– button to set the desired alarm time.
- Press the MODE button to confirm and exit.
- To activate or deactivate the alarm, locate the alarm ON/OFF indicator (often a small bell icon) and use the appropriate button (e.g., START/STOP or a dedicated alarm button) to toggle its status.
Maintenance
Cleaning Your Watch
Wipe the watch case and strap with a soft, damp cloth. Avoid using harsh chemicals or abrasive cleaners, as these can damage the watch's finish and materials. For water-resistant models, a gentle rinse with fresh water after exposure to saltwater is recommended.
Battery Replacement
The watch is powered by a product-specific 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 ensure the water resistance seal is maintained.
Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Display is blank or dim. | Low battery. | Replace battery. |
| Time is incorrect. | Time not set correctly or accidental adjustment. | Refer to "Setting Time and Date" section to reset. |
| Buttons are unresponsive. | Watch may be in a locked mode or battery is very low. | Check manual for button lock features. Replace battery if necessary. |
| Water inside display. | Water resistance compromised. | Immediately take to a qualified watch technician for inspection and repair. |
Specifications
- Model Number: 45/7138
- Display Type: Digital
- Movement Type: Quartz
- Case Material: Resin
- Band Material: Plastic (Resin)
- Closure Type: Buckle
- Water Resistance Depth: 165 Feet (50 Meters)
- Case Diameter: 33 Millimeters
- Band Width: 16 Millimeters
- Power Source: Battery Powered (1 Product Specific battery included)
- Special Features: Chronograph, Backlight
Warranty and Support
This Armitron watch comes with a Limited Warranty. For specific warranty terms and conditions, please refer to the warranty card included with your purchase or visit the official Armitron website. For technical support or service inquiries, please contact Armitron customer service.
Armitron Official Website: www.armitron.com







