[Casio] Watch G-Shock [] G-STEEL Bluetooth equipped GST-B400BB-1AJF Men's Black

This is a popular all-black model based on G-STEEL, which is a fusion of different materials such as metal and resin from G-SHOCK. [Shockproof structure & 20 ATM waterproof] Adopts a shockproof structure that is resistant to shock and vibration. It is also equipped with 20 ATM water resistance, allowing it to be used in a variety of locations and situations. [Tough Solar] Casio's unique solar charging system that stably operates various functions that are subject to heavy loads by combining a solar panel that generates electricity even with a small amount of light and a large-capacity secondary battery [Mobile link function] Functions can be linked with compatible mobile phones via BluetoothⓇ communication. [Other product specifications] Hand retraction function / World time / Stopwatch / Timer / Alarm / time signal / Indicator display / Power saving function / Full automatic calendar / 12/24 hour display switching / Operation sound ON / OFF switching function /Date and day of the week display/Double LED light