Item Type: Quartz Wristwatches Water Resistance Depth: 3Bar Case Shape: Round Feature: Water Resistant,Stop Watch,Complete Calendar,Chronograph Band Length: 21cm Clasp Type: Buckle Band Width: 25mm Case Material: Stainless Steel Movement: Quartz Style: Sport Band Material Type: Silicone Dial Diameter: 50mm Gender: Men Dial Window Material Type: Hardlex Case Thickness: 12mm Creative inspiration: Formula racing Function 1: Second dial (A circle of 2 seconds) Function 2: Calendar (1-31 days) Function 3: Minute dial(A circle of 1 minute ) Function 4: Hour dial(A circle of 1 hour) Black silicone strap: Resistant to friction