Purchased at a duty-free shop. It's a Casio AQ-S810W solar-powered wristwatch. ■ Product Overview ・Solar charging (Tough Solar) eliminates the need for battery replacement ・Analog + digital display combination ・Water resistance: 10-bar water resistance (100m) — suitable for everyday use, outdoor activities, and sports ・Multi-function: World time / Stopwatch / Timer / Alarm (5) / LED light (digital display only) ■ Condition ・Operation confirmed 　Both the digital display and hands are working. ・Some wear on the strap (see photos) ・No particularly noticeable large scratches or cracks. The dial and LCD are in good condition.