.The outer shell and strap are composed of resin to protect the watch mechanism while also guaranteeing a comfortable fit to the wrist. The robust design is presented in subtle and discreet black, maximizing coordination possibilities with both everyday fashions and sportswear, covering anything from indoor sports to water sports. The technology capabilities of the GBA-800-1AER allow you to link your watch with the G-SHOCK Bluetooth® Connected phone app to provide access to a number of functions that enhance workouts. Daily health and fitness support functions include a 3-axis accelerometer that keeps track of step counts, a Multi-Timer that lets you create up to 20 timer combinations of five timers each, memory for up to 200 lap records. The app also makes it possible to maintain step count logs with five exercise intensity levels, to calculate the calories you burn, to specify a daily step target, to create timer combinations and send them to the watch and much more. Additional noteworthy features include app-based auto time setting correction and an Auto LED Light to facilitate workouts in areas where lighting is dim. All this with a 2 Year Manufacturers (International) warranty for added reassurance. Casio offers an exceptional range of watches for men. All with the most up-to-date designs and long-lasting durability, whether they are in the fashion, sport or technical ranges.Model Number GBA-800-1AERBrand Casio24 Hour Counter NoAdditional Information Airplane Mode - Radio wave signals can be disabled when flying or in a medical facility, 5 Daily Alarms: Each will sound every day at the time you set, Hourly time signal, Auto Calendar, Battery Level Indicator, Bluetooth Connectivity - Phone Finder: Pressing a button on the watch will emit an audible tone from your phone, Countdown Timer, Dual Time, Lap Memory - 200 Records, Shock Resistant, Step Counter, World TimeAlarm YesBacklight YesMaximum Bracelet Length 160 - 210mmBracelet Material ResinCase Diameter 46Case Thickness 14Lug Width 25Lug Length 52Case Material RubberDate Display YesDay Display YesDial Colour BlackDisplay Type Analogue & DigitalEAN 4549526179105Gender GentsGift Box CasioGlass Type MineralGuarantee 2 Years Manufacturers (International)Luminous Hands YesLuminous Numbers/Indices NoMovement QuartzStopwatch YesStyle SportsWater Resistance 200 m (20 ATM)