This is a CASIO G-SHOCK G-STEEL GST-W100D-1A2JF, a radio-controlled, solar-powered watch. It features a black dial with a distinctive, popular blue subdial. There are scratches and scuffs except on the crystal. Please refer to the images. Solar charging, radio wave reception, and Japanese time have been confirmed. For more details, you can download the instruction manual from the Casio website using the model number 【5444】. -------------------------------------------------- 【Functions/Specifications】 ● Model Number: GST-W100D-1A2JF ● Material: Resin/Stainless Steel ● Band: Genuine SS band, three-fold clasp ● Tough Solar ● Radio wave reception function (Multi Band 6) ● 20-bar water resistance ● Hand retracting function ● World time ● Stopwatch ● Timer ● 5 daily alarms, hourly time signal ● Power saving function ● Full auto-calendar ● Double LED light (bright) ◆ Please refrain from purchasing if you are sensitive to imperfections or seek perfection. ◉ Watches with boxes will be shipped via courier service.