It has been used to a certain extent. It is still usable. Please feel free to ask any questions you may have. Thank you for your consideration. ■ Size, Mass: 46.7 x 43.2 x 12.7mm / 51.7g ■ Specifications, Functions ● Shock-resistant structure ● Tough Solar (solar charging system) ● 20-bar water resistance ● Radio wave reception function: automatic reception (up to 6 times/day) / manual reception ● Stopwatch (1/100 second, 24-hour counter, with split) ● Timer (set unit: 1 minute, maximum set: 24 hours, measured in 1-second increments) ● 5 daily alarms (1 with snooze function) / hourly time signal ● Battery indicator display ● Power saving function (display turns off to save power when left in the dark) ● Full auto-calendar ● 12/24 hour display switching ● Operation sound ON/OFF switching function ● EL backlight (full auto EL light, with afterglow function) ● EL: Blue Green ■ Accessories: None