S149 Stopwatch Problem

There are a few potential problems that could be causing your Seiko S149 stopwatch timer to not work.

Dead battery: The most common problem is that the battery is dead. The S149 uses a CR2032 lithium battery, which can last for several years under normal use. However, if you use the stopwatch frequently, the battery may need to be replaced more often.

Dirty or corroded contacts: The battery contacts may be dirty or corroded, preventing the battery from making a good connection. To clean the contacts, use a cotton swab dipped in rubbing alcohol.

Faulty switch: The start/stop switch may be faulty. If the switch is not working properly, the timer will not start or stop when you press the button.

Problem with the circuit board: There may be a problem with the circuit board inside the stopwatch. This is less common, but it is possible. If you have tried all of the above and the timer is still not working, you may need to take the stopwatch to a qualified repair technician.

Here are some troubleshooting steps you can try:

Replace the battery. This is the most likely solution, so it is worth trying first.

Clean the battery contacts. Use a cotton swab dipped in rubbing alcohol to clean the battery contacts.

Test the start/stop switch. To do this, press the start/stop button and see if the timer starts and stops. If it does not, the switch may be faulty.

Reset the stopwatch. To do this, press and hold the reset button for several seconds. This will clear all of the stopwatch's settings.

Check the owner's manual. The owner's manual may have additional troubleshooting tips.

If you have tried all of the above and the timer is still not working, you may need to take the stopwatch to a qualified repair technician.