Casio Kids Digital Watch LA-20WHS-2AEF with Transparent Blue Watch Strap Casio watch has a digital display and a light blue transparent polyurethane strap. The kids digital watch is especially suitable for those who are starting school and for other small students. The watch is splash-proof and has versatile features, such as chronograph, LED light and automatic calendar: Splashproof ISO 22810 Diameter: 30.4 mm Thickness: 8.6 mm Weight: 36 g Material: Polyurethane, transparent Acrylic glass Color: blue Chronograph: 1 / 100 s-1 h Led light Alarm Automatic calendar 12 / 24 h format Battery life 5 years Module: 3191 Casio is a Japanese manufacturer of electronic devices, which is especially known for its high-quality and durable sports watches. Casio watches have versatile features and are suitable for both extreme sports and active everyday life. Casio watches are also popular in army due to their durability and excellent value for money. See all Casio products here