It's a cool watch with a lot of functions and the more important thing is it's not complex, follow the instruction or take some minters will figure it out. 1) Watch is really light ( 70g ) 2) Easy to set but still comes with an instruction (English & Chinese) 3) Large number are easy to read 4) Alarm & Stopwatch work perfectly 5) Clear backlight 6) Plastic Case, rubber Strap, Stainless Steel Buckle, Resin Glasses, LED Display. A good selection if you need a sport partner. waterproof sports casual 164FT/50M Waterproof Perfect for all kinds of sports, indoor and outdoor activities or daily use. Feel free to wear the watch when you are showering, swimming or in rainning. Also it's resistant for sweat. NOTE: 1. Please DONOT Press Any Buttons Underwater. Also avoid the use in extreme hot or cold temperature. 2. Clean the strap by a soft cloth on regular bases is highly recommended. 3. Too much water contact will shorter watch life. Durable & Comfortable An exactly good looking digital watch, specially it doesn't have logo on face. Its elegant design make occasions easy to select and you will satisfy with it. 54MM dial diameter is a suitable size for people who likes large face watch. Aviod reading numbers under strong sunlight, the numbers will be unclear. Specification & Parameter Dial Diameter: 2.12inch / 54 mm Case Thickness: 0.71 inch / 18 mm Band Length: 9.8 inch / 250 mm; Band Width: 0.83inch /21mm Case: Plastic; Band: German rubber Crystal Surface: Resin; Buckle type: Stainless Steel Locked Metal Back Cover Taiwan IC Movement Stainless Steel Buckle