The shock-resistant watch "G-SHOCK" has created a new concept of toughness in watches. G-STEEL GST-B500 model that is slim and has improved design due to the thin module and carbon core guard structure. ;[Impact-resistant structure] G-SHOCK's core technology in pursuit of toughness Protects the module with an impact-resistant structure The unique uneven shape prevents direct impact on glass and buttons. ;[Water resistant to 20 bar] Can be used in various places and situations such as daily water work, swimming, surfing, jet skiing and other water activities. ;[Mobile link function] Mobile link function (function interlocking with compatible mobile phones via Bluetooth communication);[Other product specifications] Tough solar (solar charging system) / Hand retract function / World time / LED light / Stopwatch / Timer / Time alarm / Power saving function / Fully automatic calendar / 12/24 hour display switching / Please note that some of the models are made exclusively for Japanese market, hence the specifications and interface language is all in Japanese and cannot be changed to a different language. If there is no stock, it may be canceled after notification. ## Voltage For electronic equipment, it is recommended to use a transformer just in case. This is because electronic equipment for Japan is designed to be used at 100V.