Casio G Shock Bio Based Resin Strap Digital Quartz GD 010GB 1A9 200M Mens Watch COA:SIN and a clear digital display low maintenance luxury that and a clear digital display with 200M water resistance for reliable The striking black dial stands out with clear The bold digital display with gold accent ring delivers exceptional readability in any lighting condition Specification Details Brand Casio G Shock Model Number GD 010GB 1A9 Gender Men's Movement Quartz Digital Case Material Bio Based Resin Case Color Black with Gold Accents Case Shape Round Case Size Approximately 46mm Estimated Weight 52g Band Material Bio Based Resin Band Color Black Band Type Two Piece Strap Band Width 20mm Lug Width 20mm Lugs Count 4 Crown Type Push Pull Caseback Type Screw in Display Type Digital LCD Backlight Electro luminescent Illuminator Water Resistance 200 Meters (20 BAR) Battery Life Approximately 10 Years Calendar Auto Calendar (Pre programmed to 2099) Alarm Multi Function Daily Alarm Additional Features Hourly Time Signal