Features: Rose Gold Tone Stainless Steel Case Silicon Strap Solar Movement Caliber: V147 Sapphire Crystal Black Dial Analog Display Power Reserve Luminous Hands And Markers Unidirectional Rotating Bezel Overcharge Prevention Function Quick Start Function Date Display Screw Down Crown Screwed Case Back Buckle Clasp 200m Water Resistance Approximate Case Diameter: 39mm Approximate Case Thickness: 11mm Approximate Lug Weidth : 20mm