Citizen Eco-Drive Watch - EW3154-90A

Eco-Drive technology converts light, from any source, into energy to power the watch. Excess energy is stored in a rechargeable power cell.

Once fully charged, the watch can operate for months, even in the dark.

The watch's water resistance is not specified.

Pull out the crown to the appropriate position and rotate to set the time and date.

Any light source, including natural sunlight and artificial light, will charge the watch.

Warranty information is not available.

Use a soft, damp cloth to clean the watch. Avoid harsh chemicals.

Ensure the watch has been exposed to sufficient light for charging. If the issue persists, the watch may need to be professionally serviced.

Adjust the date using the crown. Refer to the user manual for detailed instructions.

If the timekeeping accuracy is significantly off, the watch may need to be professionally serviced.