Swiss Army, Airboss Mach 6 Allows 1/4 of a second timing. With 30 minute and 12 hour counters. Stainless Steel Case, Screw-in, Exhibition Caseback, Red Dial, with Luminous Hands, White Arabic Numerals, Date Displayed between the 4 and 5 Oclock Position, Scratch Resistant, Anti-Reflection Sapphire Crystal, Black Leather Strap with White Stitching, Push-Button Deployant Clasp, Small Seconds Subdial at the 9 O'clock Position, Chronograph Hours, Minutes, and Seconds Functions, Tachymeter Timer Displayed on the Bezel, Swiss-made Self-winding Mechanical Movement, Water Resistant to 100 Meters (10 ATM, 330 FT), Case Dimensions: 44 mm in Diameter. Available as Swiss Army Victorinox 25785