IWC IW371438. Functions:Hours, Minutes, Seconds, Chronograph, Crystal:Sapphire Crystal, double-coated, convex, pressure-drop resistant, Case Diameter:40.9 mm, Case Thickness:12.3 mm, Bezel Material:Stainless Steel, Bezel Function:Fixed, Mass:80.0 g, Water Resistance:30m / 100ft (suitable for splashing, light rain; unsuitable for swimming or diving), Crown:Stainless Steel Screw-down, Calendar:None, Watch Bracelet/Strap:Leather – Black Crocodile, Watch Clasp:Stainless Steel Deployant, Watch Bracelet Width:20.0…