Features: Stainless Steel Case Stainless Steel Bracelet Automatic Movement Caliber: Powermatic 80 25 Jewels Sapphire Crystal Grey Sunray Dial Analog Display Open Heart Dial Luminous Hands And Markers Pull/Push Crown See Through Case Back Deployment Clasp 100m Water Resistance Approximate Case Diameter: 40mm Approximate Case Thickness: 11.5mm Approximate Lug Width: 21mm