Despite being exposed to light, Seiko solar watch does not recharge if it’s faulty. To recharge sufficiently, a suitable amount of light and time are required. Insufficient recharging is possible if the strength of the light and the quantity of time are insufficient.
Place the solar watch in direct sunshine; if it does not charge, the battery is faulty. Bring the watch to a watchmaker to have the rechargeable battery replaced.
Now we are going to explore the reasons and solutions.
Why Is My Seiko Solar Watch Not Charging
The reasons why your Seiko solar watch isn’t charging are illustrated below with their solutions:
1. Insufficient Sunlight
To recharge sufficiently, a suitable amount of light and time are required. Insufficient recharging is possible if the strength of the light and the quantity of time are insufficient.
Place the watch in such a place that it can get enough sunlight. Seiko solar watch needs a lot of sunlight to recharge it fully. But ensure that it isn’t getting too hot.
Figure 1: Placing your watch under sunlight
2. Problematic Environment
Your Seiko solar watch needs almost 10,000 lx of light intensity to charge. If the environment that you’re keeping your watch in excludes this characteristic, your watch definitely won’t charge.
Whether you’re charging your watch under sunlight or room light, always make sure that the following images are followed.
Figure 2: Under direct sunlight on a summer day (About 100,000 lx)
Figure 3: Cloudy day (about 10,000 lx)
Figure 4: 5cm from the 30W-fluorescent lamp (About 10,000 lx)
Figure 5: 20cm from the 30W-fluorescent lamp
(About 3,000 lx)
Figure 6: General office
(About 700 lx)
3. Contaminated or Broken Mechanical Parts
Damage to mechanical parts or circuitry causes the watch to stop charging as well.
If putting your watch under enough sunlight doesn’t revive it from not charging, go see a mechanic who can check the inert parts of your watch to ensure that nothing inside is broken or contaminated.
4. Dirty Battery
If the battery of your Seiko solar watch is dirty because of dust and prolonged use, your battery won’t charge.
Solar batteries should be cleaned with a battery terminal cleaner brush and a mixture of baking soda and distilled water. After that, immediately rinse the terminals with water. Remember to tighten all connections and treat the metal components with a commercial sealer or high-temperature oil.
If the sunlight is too strong, the batteries will overheat, producing hydrogen gas and being permanently destroyed (hydrogen gas leaks in open cells are irreversible). This is particularly true with gel batteries, where charging voltage sensitivity is a typical cause of failure.
Ensure that you place your watch under sunlight only for a limited period so that it can charge appropriately without overheating.
What Is the Lifespan of Seiko Solar Watches?
Seiko solar watches can live for a decade on average, and with proper maintenance, some can last even longer. The longevity of a solar watch is heavily influenced by its brand, price, frequency of charging, and depreciation over time.
A rechargeable battery’s capacity or recharging efficiency may gradually decline due to a variety of factors such as long-term use or usage conditions. Mechanical parts that are worn or polluted, as well as damaged lubricants, can all shorten recharging periods. So, have your watch serviced in a maintained period.