Productinformatio: Special function: calendar Display type: number Applicable people: general style: Casual Waterproof: no Movement type: electronic Dial diameter: 4.5CM Thickness: 1.2CM Crown type: normal Table bottom type: ordinary Mirror material: ordinary glass mirror Clasp style: single folding buckle Buckle material: stainless steel Strap material: alloy Dial shape: square Case material: metal Color: black blue light, black red light, silver blue light, silver red light Movement: Electronic