Timex TW4B179009J
Timex Expedition Digital CAT World Time 47mm Watch Instruction Manual
Model: TW4B179009J
Introduction
This manual provides comprehensive instructions for the Timex Expedition Digital CAT World Time 47mm Watch, Model TW4B179009J. This robust digital watch is designed for durability and functionality, featuring world time, a chronograph, countdown timer, multiple alarms, and Indiglo backlight. Please read these instructions carefully to ensure proper use and maintenance of your watch.

Image: Front view of the Timex Expedition Digital CAT World Time 47mm Watch, displaying the digital time, date, and various function indicators. The watch features a black resin case with a negative digital display and a protective metal cage over the crystal.
Setup and Initial Configuration
Before using your watch, it is important to set the correct time, date, and other preferences. The watch features multiple buttons for navigation and setting. Refer to the watch's face for button labels such as SET, MODE, ADJ, and INDIGLO.
Setting Time and Date:
- Press and hold the SET button until the display flashes, indicating setup mode.
- Use the MODE button to cycle through settings: seconds, hour, minute, year, month, day.
- Use the ADJ button to increase or decrease the flashing value.
- Once all settings are correct, press the SET button again to exit setup mode.
Setting World Time:
Your watch supports two time zones. To set the second time zone:
- From the main time display, press the MODE button repeatedly until the World Time display appears (often indicated by a 'T2' or similar icon).
- Press and hold the SET button.
- Use the ADJ button to select the desired city or time zone.
- Press SET to confirm.
Activating Indiglo Night-Light:
Press the INDIGLO button (typically located on the upper right side of the watch) to illuminate the watch face for easy viewing in low-light conditions.
Video: A 21-second demonstration of the Timex Expedition Digital CAT 47mm watch, showcasing its design and various angles. This video provides a visual overview of the watch's physical appearance and features.
Operating Functions
Using the Chronograph (Stopwatch):
The 100-hour chronograph measures elapsed time, lap times, and split times.
- Press the MODE button until "CHRONO" or a stopwatch icon appears.
- Press ADJ to start the chronograph.
- Press ADJ again to pause/resume.
- To record a lap/split time, press SET while the chronograph is running.
- To reset, press SET when the chronograph is paused.
Using the Countdown Timer:
The 24-hour countdown timer can be set for specific durations.
- Press the MODE button until "TIMER" or a countdown icon appears.
- Press and hold SET to enter timer setting mode.
- Use MODE to select hours, minutes, or seconds, and ADJ to adjust the values.
- Press SET to confirm settings.
- Press ADJ to start the countdown.
Setting Alarms:
The watch features three daily, weekday, or weekend alarms with a 5-minute backup snooze function.
- Press the MODE button until "ALARM" or an alarm icon appears. Cycle through AL1, AL2, AL3.
- Press and hold SET to enter alarm setting mode.
- Use MODE to select hour, minute, and alarm type (daily, weekday, weekend).
- Use ADJ to adjust the values.
- Press SET to confirm.
- To activate/deactivate an alarm, press ADJ while viewing the alarm.

Image: The Timex Expedition Digital CAT World Time 47mm Watch displayed on a wrist, showing its size and fit. The black resin strap and case are visible.
Care and Maintenance
Water Resistance:
This watch is water-resistant to 100 meters (330 feet). It is suitable for snorkeling and swimming. It is not suitable for diving. Avoid pressing buttons underwater to prevent water ingress.
Cleaning:
Clean your watch regularly with a soft, damp cloth. For the resin strap, mild soap and water can be used. Avoid harsh chemicals or abrasive materials that could damage the watch case or strap.
Battery Replacement:
The watch uses one Lithium Metal battery. When the display dims or functions become erratic, it may be time for a battery replacement. It is recommended to have the battery replaced by a qualified watch technician to ensure proper sealing and maintain water resistance.

Image: Rear view of the Timex Expedition Digital CAT World Time 47mm Watch, showing the stainless steel case back with "TIMEX" branding and water resistance information. The black resin strap is also visible.
Troubleshooting
- Display is dim or blank:
- Check battery level. A low battery can cause a dim display.
- Ensure the watch is not in a power-saving mode (if applicable, though not a primary feature of this model).
- If the issue persists after battery replacement, contact support.
- Buttons are unresponsive:
- Ensure the watch is not in a locked mode (if applicable).
- Avoid pressing buttons forcefully.
- If buttons are stuck, gently clean around them.
- Time is inaccurate:
- Re-set the time and date carefully following the "Setting Time and Date" instructions.
- Extreme temperatures can affect quartz watch accuracy.
- Water inside the watch:
- Immediately take the watch to a professional for inspection and repair to prevent further damage.
- Avoid further exposure to water.
For more detailed troubleshooting or issues not covered here, please refer to the official Timex support resources.
Product Specifications
| Feature | Detail |
|---|---|
| Brand | Timex |
| Model Number | TW4B179009J |
| Product Dimensions | 8 x 1.85 x 0.59 inches |
| Item Weight | 0.96 ounces |
| Department | Men's |
| Batteries | 1 Lithium Metal battery (included) |
| Date First Available | July 9, 2019 |
| Manufacturer | Timex |
| Material | Resin (case and strap) |
| Water Resistance | 100m (330 ft) |
| Display Type | Digital, Negative Display |
| Special Features | World Time, 100-hour Chronograph, 24-hour Countdown Timer, 3 Alarms, Indiglo Night-Light, 24-hour Military Time Mode, 2 Time Zones |

Image: Side view of the Timex Expedition Digital CAT World Time 47mm Watch, highlighting the robust resin case and the textured buttons on the side.
Warranty and Support
Specific warranty details for the Timex Expedition Digital CAT World Time 47mm Watch are not provided within this document. For information regarding your product's warranty coverage, terms, and conditions, please refer to the warranty card included with your purchase or visit the official Timex website.
For further assistance, technical support, or to find authorized service centers, please visit the official Timex support page:

Image: The black packaging box for the Timex Expedition watch, featuring the Timex logo and website address. The watch is typically presented in this type of packaging.
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