Casio Smartphone Link Watch with Carbon Core Guard All Black G-Shock G-STEEL Structure, GST-B400BB-1AJF, Men's,

This is a popular all-black model based on G-STEEL, a fusion of different materials, metal and resin, from G-SHOCK. Shock-resistant and 20-bar water resistant: The watch features a shock-resistant construction that is resistant to shocks and vibrations. It is also water resistant to 20 bars, allowing it to be used in a variety of locations and situations. Tough Solar: Casio's unique solar charging system combines a solar panel that generates power even with minimal light with a large-capacity secondary battery to ensure stable operation of various functions under heavy loads. Mobile Link Function: Functions can be linked via Bluetooth® communication with a compatible mobile phone. Other specifications: Hand shift function / World time / Stopwatch / Timer / Alarm / Hourly time signal / Indicator display / Power saving function / Full auto calendar / 12/24 hour display switching / Operation sound ON/OFF switching function / Date and day display / Double LED light