Casio G-Shock GW500A (2688) Solar Men。The Casio G-Shock GW-500A is a vintage solar-powered digital watch featuring a black resin case and band, stainless steel bezel and distinctive red accents. Its rounded profile and three-eye display represent an earlier generation of G-Shock atomic solar technology. Powered by Casio Tough Solar technology, module 2688 features radio-controlled time calibration, shock resistance, 200-meter water resistance, world time, stopwatch, countdown timer, five daily alarms, full auto calendar, power-saving mode, battery-level indicator and EL backlight. Preowned in excellent condition with light cosmetic wear consistent with careful use. Fully cleaned, gasket lubricated, solar charging verified, atomic synchronization tested and all functions operate correctly. Includes an authentic G-Shock tin box; it is not represented as the original factory box for this specific watch. Printed manual is not included.