Casio Bluetooth Watch Gold G-Shock G-STEEL GST-B500GD-9AJF Men's

G-SHOCK is a shock-resistant watch that has established a new concept of toughness in watches. The G-STEEL GST-B500 model features a slim module and carbon core guard structure, resulting in a slimmer and more stylish design. Shock-resistant structure: G-SHOCK's core technology pursues toughness. The shock-resistant structure protects the module. The unique uneven shape prevents direct impacts to the glass and buttons. [20 ATM water resistance] Can be used in a variety of places and situations, from everyday water work to water activities such as swimming, surfing, and jet skiing [Mobile Link Function] Mobile Link Function (function linkage via Bluetooth® communication with compatible mobile phones) Other specifications: Tough Solar (solar charging system), hand shift function, world time, LED light, stopwatch, timer, alarm, power saving function, full auto-calendar, 12/24-hour display switching,