Graziella G-Shock Full Metal Watch. GMCB2100D-1A

Case size (L× W× H): 51.3 × 46.3 × 12.4 mmWeight: 171 gCase and bezel material: Stainless steelBand: Stainless Steel BandConstruction: Shock ResistantWater resistance: 200-meter water resistanceTime adjustment: Bluetooth: Connects to a smartphone and automatically adjusts the timePower supply and battery life: Tough Solar (Solar powered)Smartphone Link feature: Mobile link (Wireless linking using Bluetooth®)Apps: CASIO WATCHESApp connectivity feature: Auto time adjustmentGlass: Mineral GlassCrown: Screw Lock CrownCompatible band size: 150 to 205 mmCase size (L× W× H): 51.3 × 46.3 × 12.4 mmWeight: 171 gCase and bezel material: Stainless steelBand: Stainless Steel BandConstruction: Shock Resistant