Product information: Special functions: luminous, week display, alarm, chronograph, month display, calendar, 24-hour indication Display type: pointer + number Applicable crowd: male Style: sports Waterproof: Yes Waterproof performance: 30M Movement type: electronic Dial diameter: 50mm and above Thickness: 16mm Crown type: flat top tapered crown Mirror material: mineral strengthened glass mirror Clasp style: pin buckle Buckle material: stainless steel Strap material: silicone Dial shape: round Case material: plastic Color: black, black shell gold circle, black shell silver circle, army green, black shell blue Case diameter: 55mm Strap width: 23mm Strap length: 240mm Case thickness: 17mm Watch weight: 78g/pcs Packing list: Electronic watch*1