・Operation confirmed [Brand/Model] Brand: CASIO G-SHOCK Model Number: GMA-S2100BA-4AJF [Product Overview] ・Quartz ・One-tone color model ・20-bar water resistance ・World time ※48 cities worldwide [Included Items] Main unit, box, instruction manual, warranty (expired) [Size (approx.)] ・Wrist circumference: Up to approx. 18cm ※Please check your wrist circumference + an allowance of about 5-10mm as a guide. [Condition] ・Crystal: No scratches or stains. ・Case: No scratches or stains. ・Back cover: No scratches or stains. ・Belt: No scratches or stains. ※The color may appear different from the actual product due to the lighting used during photography. Please understand. ・Please feel free to comment if you have any questions. Please refrain from purchasing if you are looking for perfection or are concerned about minor details, as this is a used item and has been inspected by an amateur. Please consider purchasing only if you agree to these conditions.