■ Brand: CASIO (Casio) Overseas Model ■ Quartz (Battery-powered) ■ Battery Replacement: This model can be serviced at mass retailer watch sections or the nearest watch store. ■ Calendar (Day of the week/Date), 24-hour clock ■ Water Resistance: Daily life waterproof ■ Size (approx.) Dial (H x W x D): 50 x 44.7 x 10 mm Belt Wrist Circumference: Minimum 14.5cm - Maximum 19.5cm This is the brown model. It is new and unused. However, the battery is dead. Thank you.