Case Diameter - 38 mm Lug To Lug Distance - 47 mm Thickness - 14 mm Lug Width - 18 mm Water Resistance - 3 ATM Finishing Brushed bezel, lug tops and case back Brushed case sides Crystal Domed acrylic crystal Case Back Display case back Movement Hand-winding Sea-Gull ST1901 chronograph with swan neck regulator Dial Sunburst finish Applied indices and logo Strap 18 mm brown leather