Introducing the new GA-B001 series from G-SHOCK, featuring a new toughness-driven design and Smartphone Link functionality. With the GA-B001 and GA-B001G, Casio brings ingenuity to the exterior structure to achieve an integrated bezel and band construction in a shock-resistant watch that comprises two separate components that connect at the 9 and 3 o'clock positions. The moulded construction follows the lines of the wrist, minimizing the space between the wrist and the watch for an enhanced fit. These watches are all equipped with a Mobile Link feature for pairing with a smartphone via Bluetooth®. When used with the dedicated CASIO WATCHES app, the watch automatically adjusts to the correct time. In addition, the App information function sends notifications on the watch when the app receives updates on new products and other information. The GA-B001-1AER features the black G-SHOCK brand colour, giving it a familiar yet new finish. Digital time display can be configured to either 12-Hour or 24 Hour format. Water resistant to 200 metres. Includes 5 Daily Alarms, Hourly time signal, automatic calendar, and approximately 2 years of battery life. Bluetooth Connectivity allows for auto time adjustment, easy watch setting, access to approximately 300 world time cities, Time & place, and Phone finder using the CASIO CONNECTED APP, or connect via the brand new CASIO WATCHES App. Countdown Range: 24 hours, Measuring Unit: 1 second. The current date and week day are displayed on the watch face. Dual Illuminator provides separate illumination of the analogue & digital components for optimum readability in low light conditions. Features LED light with selectable illumination duration (1.5 seconds or 3 seconds) with afterglow. Patented Hollow Core Guard Structure protects against impact & vibration. Stopwatch Function with a Measuring Capacity of 24 hours, Measuring Modes: Elapsed time, split time, 1st-2nd place times, Measuring Unit: 1/100 second (for the first 60 minutes) and 1 second (after 60 minutes). This Casio G-shock Analogue-Digital Watch for Men is the perfect timepiece to wear or to gift. It's Black 44 mm Round case combined with the comfortable Black Plastic watch band will ensure you enjoy this stunning timepiece without any compromise. Operated by a high quality Quartz movement and water resistant to 20 bars, your watch will keep ticking. This sporty and fashionable watch gives you a unique feeling in every outfit! This Analogue-Digital watch has a calendar function: Day-Date, Bluetooth, Stop Watch, Countdown, Worldtime and Alarm. High quality 21 cm length and 23 mm width Black Plastic strap with a Buckle. Case diameter: 44 mm, case thickness: 13 mm, case colour: Black and dial colour: Black. Bold colour schemes take you from stylish urban streets. More than just fashion, these timepieces also deliver full functionality. Sync with your smartphone via Bluetooth® and tap into the dedicated app to access the functions you need. The GA-B001 line features an innovative construction, with two separate top and bottom bezel components that connect at the 9 and 3 o'clock positions. This ingenuity is complemented by a meticulous attention to detail, with index markings and a uniquely shaped LCD designed as never before on a G-SHOCK.