The watch should be exposed to sunlight for 2 to 3 hours.
Place the watch in the sun for 2-3 hours to fully charge it. It should be noted that the solar watch should not be exposed to extremely high temperatures to avoid damage to the watch. The photodynamic battery life of Casio solar watches is generally 5 to 8 years. If the watch is not used for a long time, it is recommended to expose it to sunlight for at least 5-6 hours every month to ensure normal operation of the watch. the watch.
10 years. According to the query published on Casio's official website, the battery life of Casio solar watches is ten years. Photokinetic watches actually convert light energy into electrical energy through sunlight and then store it in the battery, meaning the battery is rechargeable. She will get old. After the oldSmoothing out, the storage capacity will become very low and it will basically be scrapped. At that point, the battery will need to be replaced.