An extra-wide display makes this watch easy to read, just the thing to keep an eye on times in the middle of a jog. Solar charging technology keeps your watch running without changing batteries. Brand: Casio® Dial Color: Black Strap: Purple resin Clasp: Buckle Movement: Solar quartz Water Resistance: 100m Case Width: 50mm Case Thickness: 15mm Bracelet Dimensions: 10” long, 25mm wide Model No.: WS220-4B Special Features: stopwatch and chronograph functions, day/date display, world time, LED light-up display, luminous hands and markers, 10 ATM water resistance Jewelry photos are enlarged to show detail.