Watch Details: Brand Name : Swiss Army Style Number : 241447 Also Called : V251447, 251447, V241447 Series: AirBoss Mach 6 Subseries: Mechanical Style (Gender): Men's Case Material: Stainless Steel Case Shape : Round Dial Color : Black Movement : Automatic Engine : Valjoux 7753 Number of Jewels : 27 Functions : Hours, Minutes, Small Seconds, Chronograph, Date, Tachometric Scale Crystal Material : Sapphire - Anti Reflective Case Diameter : 45.0 mm Case Length Including Lugs : 54.75 mm Case Width Including Crown : 49.95 mm Case Thickness : 15.0 mm Caseback:Sapphire Crystal - Transparent Exhibition Back Bezel Material : Stainless Steel, PVD-coated Bezel Function : Fixed Mass:142.9 g Water Resistance:100m / 330ft (suitable for swimming and shallow snorkeling; unsuitable for diving) Crown Material : Stainless Steel, Fluted Crown Thickness : 5.45 Crown Diameter : 7.9 mm Calendar : Automatic Date at 4:30 Power Reserve : 46-hour power reserve Watch Bracelet / Strap Material: Leather - Black Cowhide Watch Clasp Material : Stainless Steel Deployant Hidden Folding Buckle with twin push- buttons (vc0906) Max Wrist Size : 9.0 Watch Strap Width : 20.75 - 23.0 mm Bracelet Thickness : 2.3 - 3.7 mm First Production Year : 2010