I haven't had a chance to use it since I bought it. It's unused. I've opened the package once. [Casio] Watch Casio Collection [Domestic Genuine Product] A168WA-1A2WJR Men's Silver Brand: CASIO CASIO Collection Analog/Digital: Digital Watch Movement: Quartz Watch Power Source: Battery Case Shape: Square Watch Display Function: Chronograph Watch Body Function: Alarm Case Material: Resin, Plastic Belt Color: Silver系 (Silver-based) Belt Material: Stainless Steel Water Resistance: Daily Life Use Case Diameter (mm): 36.3 mm Case Thickness (mm): 9.6 mm 12