G-SHOCK G-STEEL GST-B100 radio-controlled solar-powered wristwatch. Purchased in 2019 at a Bic Camera store in Tokyo. All hands, chronograph, Bluetooth pairing, etc., are working without any problems. * With box * With instruction manual * With 2 spring bars for the band Popular model: G-shock G-STEEL Model NO: 5513 Dial color: Black Belt color: Silver Movement: Quartz + Radio-controlled Features: Chronograph, Windshield/Water resistance Main functions: Automatic time correction The time is automatically corrected 4 times a day by connecting to a time server. When traveling across time zones, the local time can be displayed quickly with a single push. Data update system The time rules of countries around the world, such as changes in time zones and the introduction/abolition of summer time, are collected and reflected in the internal data of the watch through the app. It always displays the correct time based on the latest time information. World time for 300+ cities By selecting any city from the world map or city list with a simple touch operation, the time of that city is displayed on the inner dial. Home time/World time display exchange By simply pressing a button on the app, the time display of the main dial and the inner dial can be switched. Useful when traveling abroad. Battery level display The charge level of the watch can be checked on the app. By managing it in an environment suitable for solar charging, it helps to prevent battery depletion. Mobile phone search It is possible to make the mobile phone ring by operating the watch. It forcibly makes a sound even if it is set to silent mode, which is useful for confirming the location of the mobile phone. \#Casio \#G-SHOCK \#GST-B100 \#Radio-controlled solar-powered wristwatch \#Wristwatch \#https://www.casio.com/content/dam/casio/global/support/manuals/watches/pdf/55/5513/pm5513_JA.pdf