Waterproof and shockproof sports watch with a quartz movement. The analog-digital dial with a diameter of 33 mm is equipped with Auto-LED backlight . The Dual Illuminator lighting function can be activated manually or by raising your hand with the watch and moving it towards your face. The fluorescent Neobrite coating on the hands provides long-lasting illumination in the dark. The mineral glass used to cover the watch dial has a fifth degree on the Mohs hardness scale . The use of the G-Shock system and a carbon fiber-reinforced case increases the watch's resistance to shocks and mechanical damage. The model is highly waterproof and resistant to submersion up to 200 meters (20 bar) , which allows for safe use while swimming and even diving. The system also provides protection against the effects of magnetic fields (ISO Standard 764). The daily time is displayed in 12/24 hour format . In addition, the watch is equipped with: 5 daily alarms with a snooze function, an extensive perpetual calendar , a stopwatch with a measurement length of up to 100 h and an accuracy of 1/1000 s and a countdown timer for up to 24 hours. The world time function allows you to read the time in different time zones. The watch is equipped with a measurement of the average speed along the route. The model is powered by two SR726W batteries, the manufacturer specifies the battery life at 3 years. The watch comes with an elastic strap made of olive-colored plastic. The circumference of the belt is adjustable with a metal buckle. Technical data Model: GA-2110SU-3AER Material: quartz, plastic, carbon fiber Mechanism: Miyota quartz Time display: analog-digital Case width: 45 mm Case thickness: 12 mm Dial diameter: 33 mm Maximum strap circumference: 210 mm Power supply : 2 x SR726W batteries Weight: 51 g Manufacturer: Casio, Japan