Children Boys Girls Waterproof Swimming Sports Digital Wrist Watch Perfect Gift for Babys Imported Movement: Digital . Style: Sport . Surface Material: Acrylic . Dial Material: Acrylic . Display: Digital . Strap Material: Silicone . Size: 21.5cm . Dial diameter: 3cm . Strap width: 1.7cm . Fashion Sports style. Life Waterproof. The whole point timekeeping. Alarm function. Date and Time. Waterproof do not mean put it in watre in a lon time