Introduction
This manual provides detailed instructions for the setup, operation, maintenance, and troubleshooting of your Timex Ironman Triathlon T200 42mm Watch. Please read this guide thoroughly to ensure proper use and to maximize the functionality of your timepiece.

Figure 1: Front view of the Timex Ironman Triathlon T200 watch.
Watch Components
Familiarize yourself with the buttons and display elements of your watch:
- MODE Button: Cycles through different watch modes (Time, Chronograph, Timer, Alarm).
- SET/RECALL Button: Used to set values in setting modes and recall lap/split times.
- INDIGLO Button: Activates the Indiglo night-light.
- START/LAP Button: Starts and stops the chronograph, records lap times.
- STOP/RESET Button: Stops the chronograph or timer, resets values.

Figure 2: Side view illustrating button placement.
Setup
1. Initial Time and Date Setting
- In Timekeeping mode, press and hold the SET/RECALL button until the display flashes.
- Press the START/LAP or STOP/RESET button to adjust the flashing segment (e.g., hour, minute, year, month, day).
- Press the MODE button to advance to the next segment.
- Once all settings are complete, press the SET/RECALL button to exit setting mode.
2. Strap Adjustment
The watch features an adjustable silicone strap designed for comfort and secure fit. Adjust the buckle to fit your wrist circumference, ensuring it is snug but not overly tight.
Operating Instructions
1. Timekeeping Mode
This is the default display mode, showing the current time, day, and date. Press the INDIGLO button to activate the backlight for visibility in low-light conditions.
2. Chronograph (Stopwatch)
The chronograph measures elapsed time up to 100 hours with a 200-lap memory.
- From Timekeeping mode, press the MODE button until 'CHRONO' or stopwatch icon appears.
- Press START/LAP to begin timing.
- Press START/LAP again to record a lap time while the chronograph continues running.
- Press STOP/RESET to pause the chronograph. Press START/LAP to resume or STOP/RESET again to reset to zero.
- To recall lap times, press SET/RECALL while the chronograph is stopped.
3. Interval Training Timer
The watch supports interval training with customizable warm-up, interval, and cool-down segments.
- From Timekeeping mode, press the MODE button until 'INTERVAL' or interval icon appears.
- Press and hold SET/RECALL to enter setting mode for intervals.
- Adjust warm-up, interval duration, number of repeats, and cool-down times using START/LAP or STOP/RESET, and advance with MODE.
- Press SET/RECALL to save settings.
- Press START/LAP to begin the interval training sequence.
4. Countdown Timer
A 24-hour countdown timer is available for various activities.
- From Timekeeping mode, press the MODE button until 'TIMER' or timer icon appears.
- Press and hold SET/RECALL to set the desired countdown duration.
- Press START/LAP to begin the countdown.
- The watch will emit an alert when the countdown reaches zero.
5. Alarms
Set up to 3 daily, weekday, or weekend alarms.
- From Timekeeping mode, press the MODE button until 'ALARM' or alarm icon appears.
- Press MODE to cycle through Alarm 1, Alarm 2, Alarm 3.
- Press and hold SET/RECALL to set the alarm time and type (daily, weekday, weekend).
- Press START/LAP to toggle the alarm ON/OFF.
6. Dual Time Zones
The watch allows for tracking two different time zones.
- From Timekeeping mode, press the MODE button until 'T2' or dual time icon appears.
- Press and hold SET/RECALL to adjust the second time zone.
Maintenance
1. Cleaning
Clean your watch with a soft, damp cloth. Avoid harsh chemicals or abrasive materials that could damage the case or strap. For water-resistant models, rinse with fresh water after exposure to salt water or chlorine.
2. Water Resistance
This watch is water resistant to 100 meters (330 feet), making it suitable for swimming and snorkeling. It is not recommended for diving. Do not press any buttons while the watch is submerged to prevent water intrusion.
3. Battery Replacement
The watch uses one Lithium Metal battery (CR2025). Battery replacement should be performed by a qualified watch technician to ensure water resistance is maintained. Attempting to replace the battery yourself may void the warranty and compromise the watch's water resistance.

Figure 3: Case back detailing water resistance and battery type.
Troubleshooting
- Display is blank or dim: The battery may be low or depleted. Replace the battery as described in the Maintenance section.
- Buttons are unresponsive: Ensure the watch is not in a locked mode (if applicable, refer to specific model features). If the issue persists, a soft reset may be required by pressing all four side buttons simultaneously for a few seconds.
- Indiglo light not working: This could indicate a low battery or a malfunction. If battery replacement does not resolve the issue, contact customer support.
- Incorrect time/date: Re-enter the time and date settings as described in the Setup section. Ensure the correct time zone is selected.
Specifications
| Model Number | TW5M48900SO |
| Case Diameter | 42mm |
| Case Material | Resin |
| Lens Material | Acrylic |
| Strap Material | Silicone |
| Water Resistance | 100 meters (330 feet) |
| Chronograph | 100-hour with 200-lap memory |
| Timer | 24-hour countdown |
| Alarms | 3 daily, weekday, or weekend alarms |
| Backlight | Indiglo light-up watch dial |
| Battery Type | 1 Lithium Metal battery (CR2025) |
Warranty and Support
Your Timex watch is covered by a limited warranty. For specific warranty details, service, or support, please refer to the warranty information included with your purchase or visit the official Timex website. Keep your proof of purchase for warranty claims.
For further assistance, you may visit the Timex Store on Amazon or the official Timex customer support portal.





