1. Product Overview
The Timex Ironman Triathlon Endure 30 Shock 42mm Watch is designed for durability and functionality, offering essential features for active individuals. This watch includes a 100-hour chronograph, 30-lap memory, a 24-hour countdown timer, multiple alarms, and Indiglo backlight. It is shock resistant to I.S.O. standards and water resistant to 200 meters.

Image 1.1: Front view of the Timex Ironman Triathlon Endure 30 Shock 42mm Watch, displaying the digital time and various function buttons.
2. Watch Components
Familiarize yourself with the watch's buttons and display areas:
- MODE Button: Cycles through watch functions (Time, Chronograph, Timer, Alarm).
- SET/RECALL Button: Used for setting values and recalling lap data.
- INDIGLO Button: Activates the backlight.
- STOP/RESET Button: Stops functions or resets values.
- START/SPLIT Button: Initiates functions or records lap splits.

Image 2.1: Left side view of the watch, highlighting the 'MODE' and 'SET/RECALL' buttons.

Image 2.2: Right side view of the watch, highlighting the 'INDIGLO' and 'STOP/RESET' buttons.
3. Initial Setup
3.1 Setting Time and Date
- From Time mode, press and hold the SET/RECALL button until the display flashes.
- Press the START/SPLIT button to advance the flashing segment (e.g., hour, minute, year).
- Press the STOP/RESET button to decrease the flashing segment.
- Press the MODE button to move to the next setting (e.g., from hour to minute, then to year, month, day).
- Once all settings are correct, press SET/RECALL to exit setting mode.
3.2 Setting 12/24-Hour Format
While in Time mode setting, press the INDIGLO button to toggle between 12-hour (AM/PM) and 24-hour (military) time formats.
4. Basic Operation
4.1 Using Indiglo Night-Light
Press the INDIGLO button to illuminate the watch display for a few seconds. This feature is useful in low-light conditions.
4.2 Switching Modes
Press the MODE button repeatedly to cycle through the different functions: Time, Chronograph, Timer, and Alarm.
5. Advanced Functions
5.1 Chronograph (Stopwatch)
The chronograph measures elapsed time up to 100 hours with 30-lap memory.
- Enter Chronograph mode by pressing MODE until 'CHRONO' appears.
- Press START/SPLIT to begin timing.
- Press START/SPLIT again to record a lap split time. The running total time continues in the background.
- Press STOP/RESET to pause the chronograph. Press START/SPLIT to resume.
- To reset, press STOP/RESET while the chronograph is stopped.
- To recall lap times, press SET/RECALL while in Chronograph mode. Use START/SPLIT and STOP/RESET to scroll through recorded laps.
5.2 Countdown Timer
The 24-hour countdown timer can be set for various durations.
- Enter Timer mode by pressing MODE until 'TIMER' appears.
- Press and hold SET/RECALL until the display flashes.
- Use START/SPLIT and STOP/RESET to set the desired countdown time.
- Press MODE to move between hours, minutes, and seconds.
- Press SET/RECALL to save the setting.
- Press START/SPLIT to begin the countdown. An audible alert will sound when the timer reaches zero.
- Press STOP/RESET to pause or reset the timer.
5.3 Alarms
The watch features 3 daily, weekday, or weekend alarms.
- Enter Alarm mode by pressing MODE until 'ALARM' appears.
- Press SET/RECALL to select one of the three alarms (AL1, AL2, AL3).
- Press and hold SET/RECALL until the alarm time flashes.
- Use START/SPLIT and STOP/RESET to set the alarm time.
- Press MODE to move between hours and minutes.
- Press SET/RECALL to save the alarm time.
- To activate/deactivate an alarm, press START/SPLIT while in Alarm mode (not setting). An alarm icon will appear when active.
5.4 Dual Time Zones
The watch supports two time zones (T1 and T2).
- From Time mode, press and hold START/SPLIT to switch between T1 and T2.
- To set T2, switch to T2 display, then follow the time setting steps (Section 3.1).
6. Care and Maintenance
6.1 Water Resistance
This watch is water resistant to 200 meters (660 feet). This rating makes it suitable for professional marine activity and serious surface water sports. It is not suitable for scuba diving. Do not press any buttons while the watch is submerged to maintain water resistance.
6.2 Cleaning
Clean the watch with a soft, damp cloth. Avoid using harsh chemicals or abrasive materials that could damage the case or strap.
6.3 Battery Information
The watch uses 1 Lithium Metal battery (included). Battery replacement should ideally be performed by a qualified technician to ensure proper sealing and maintain water resistance.
7. Troubleshooting
- Display is blank or dim: The battery may be low or depleted. Replace the battery.
- Watch not keeping accurate time: The battery may be low, or the watch may need to be reset. Try replacing the battery first.
- Buttons are unresponsive: Ensure the watch is not in a locked mode (if applicable, refer to specific model features). If submerged, buttons should not be pressed.
- Water inside the watch: Immediately take the watch to a qualified service center. Do not attempt to open it yourself.
8. Specifications
| Model Number | T5K196SU |
| Case Diameter | 42 millimeters |
| Case Material | Resin |
| Band Material | Rubber/Resin |
| Band Width | 18mm (Adjustable) |
| Water Resistance Depth | 200 meters (660 feet) |
| Display Type | Digital |
| Movement Type | Quartz |
| Special Features | Chronograph, Countdown Timer, Alarms, Indiglo, Shock Resistant |
| Battery | 1 Lithium Metal battery (included) |

Image 8.1: Back view of the watch, displaying the stainless steel case back and engraved specifications.
9. Product Videos
9.1 Timex Men's T5K196 Ironman Endure 30 Shock Full-Size Black Resin Strap Watch
Video 9.1: An official manufacturer video showcasing the Timex Men's T5K196 Ironman Endure 30 Shock Full-Size Black Resin Strap Watch, highlighting its design and features.
9.2 Timex Sizing Chart
Video 9.2: An official Timex video providing a sizing chart to help determine the appropriate watch case size for your wrist.
10. Warranty Information
This Timex watch is covered by a manufacturer's warranty. For specific details regarding warranty coverage, duration, and service procedures, please refer to the warranty card included with your purchase or visit the official Timex website. Keep your proof of purchase for warranty claims.
11. Support
For further assistance, technical support, or service inquiries, please visit the official Timex website or contact their customer service department. Contact information can typically be found on the Timex website or in the documentation provided with your watch.







