Casio Men's watch WVA510A-1AMen's Waveceptor Watch. Black rubber strap. Dark blue dial. Luminous hands and markers. Tough Solar Power. 1/20 Second Chronograph. Module 2762. Dual Time. Atomic Timekeeping. Backlight - Auto LED Light. Water Resistant to 100m. 5 Alarms. 1/100 Second Stopwatch. Case measures 43mm diameter by 15mm thick. 1 year original manufacturer warranty.