Style: Sport,Stylish, Simpleļ¼Runing,Cycling,Climbing Case material: plastic case Strap material: plastic strap Bottom cover material: thick 304 stainless steel bottom cover Buckle material: stainless steel buckle Gross weight: 55g Watch full length: 225mm Dial diameter: 36mm Dial thickness: 11mm Strap width: 17mm Mirror material: acrylic mirror Thicken and harden acrylic mirror, right and transparent, clearly display the time, stable performance and durable, good waterproo Strong and durable, intimate porous design, adjustable at will, Band circumference,so that the watch fits the wrist, easy to wea