The 45mm Evret three-hand day-date watch features a Black case with a Blue laser crystal and a Black Silicone strap. Number of Batteries: 1 Features: Quick Ship Battery Type: Silver Oxide Jewelry Closure: Buckle Power Source: Battery (included) Watch Movement: Quartz Water Resistance: 30m Band Color: Black Dial Color: Black Metal Color: Black Case Thickness: 12mm Case Width: 45mm Watch Band Length: 7 1/2 Inch Band Content: Silicone Case Materials: 100% Metal Alloy Battery Size: Sr621sw Band Width: 24mm Care: Wipe Clean Country of Origin: Imported Quick Ship items ship directly from the manufacturer within 3 to 5 business days.