Casio Men's GD100-1BCR G-Shock X-Large Black Multi-Functional Digital Sport Watch Shock-resistant sport watch in all black featuring World time and automatic LED light Also features: 1/100 second stopwatch, five alarms, countdown timer, 12/24-hour formats, multi-home time, and flash alert 51.2 mm resin case with mineral dial window Quartz movement with digital display Molded resin band with buckle closure Water resistant to 200 m (660 ft): In general, suitable for professional marine activity and serious surface water sports, but not scuba diving
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