Casio G Shock Analog Digital Bio Based Resin Strap Black Dial Quartz GA 010 5A 200M Men's Watch COA:SIN Features: Stainless Steel Case Stainless BM7550 87E Features: Stainless Steel Case Stainless Steel Bracelet Caliber V172 Powered by Both Natural and Artificial Light Power Reserve Up To 6 Months No Battery Change Required Hardlex Crystal Chronograph Measures Up to 60 Minutes in 1 5 Second Increments Alarm Function Split Time Measurement Black Dial With Tachymeter Scale Luminous Hands and Indices Blackened Bezel 9 in Licensed By: Precious Momentsr Material: Primary Color Item Weight U M: lbs Width of Item: 3 Model Number GA 010 5A Brand Casio G Shock Gender Men's Movement Quartz Case Shape Octagonal Case Material Bio Based Resin Case Size Approximately 48mm Case Thickness Approximately 15mm Dial Color Black Display Type Analog Digital Band Material Bio Based Resin Band Color Green (Tactical Olive) Band Type Two Piece Strap Band Width Approximately 22mm Lug Width Approximately 22mm Estimated Weight Approximately 55g Crown Type Push Pull Water Resistance 200 Meters (20 Bar) Shock Resistance Yes Battery Life 10 Years Functions World Time Reliable quartz movement for precise timekeeping