This is a popular Citizen "Eco-Drive Radio Control" radio-controlled solar-powered wristwatch. With solar charging and radio-controlled timekeeping, this practical watch requires no time adjustments or battery changes. * Model Number: H411-T003745 Y / GN-4W-S * Drive System: Eco-Drive (solar charging) * Functions: Automatic time correction via radio wave reception * Water Resistance: 20 bar * Belt: NATO strap, newly replaced (black x gray) * Condition: Minor scratches on the crystal and case, but it is a beautiful item without any noticeable damage. Working condition. This versatile model can be used for both business and casual occasions. If you are looking for one, please take this opportunity.