The Alex is the perfect watch for everyday use, it features a 45mm matte black case with a black silicone strap and a black dial. Number of Batteries: 1 Included: 1 Watch(es) Features: Quick Ship Battery Type: Lithium Ion Jewelry Closure: Buckle Power Source: Battery (included) Watch Movement: Quartz Water Resistance: 30m Band Color: Black Dial Color: Black Metal Color: Black Case Thickness: 14mm Case Width: 45mm Watch Band Length: 7 7/10 Inch Band Content: Silicone Case Materials: 100% Metal Alloy Battery Size: Sr621sw Band Width: 20mm Care: Wipe Clean Band Type: Strap Country of Origin: Imported Photos are enlarged to show detail.