Features: Stainless Steel Case Stainless Steel Bracelet Automatic Movement Caliber: 11 1/2”’ 23 Jewels Sapphire Crystal With Anti-Reflective Coating Black Chameleon Dial Analog Display Power Reserve Upto 80 Hours Luminous Hands And Markers Date Display Pull/Push Crown See Through Case Back Deployment Clasp 100M Water Resistance Approximate Case Diameter: 39.50 mm Approximate Case Thickness: 10.93 mm Approximate Lug Width: 12.00 mm