Ever since TAG Heuer has been established in 1860, it has been a leading producer of prestigious sports watches and chronographs. Case: Stainless steel, Case back: Transparent, screw-down, Dial: Black, with a sunburst guilloche texture pattern, Hands: Silver tone, Markers: Silver tone Arabic numerals, Subdials: One, small seconds at the 6 o'clock position, Calendar: Date display window at the 6 o'clock position, Strap: Black leather, Clasp: Push-button deployment, Crystal: Sapphire, Crown: Push/pull, Movement: Automatic, Water resistance: 10 ATM/100 meters/330 feet, Case measurements: 39 mm in diameter x 13 mm thick, Strap measurements: 18 mm wide x 8 inches long, Box measurements: 6 inches wide x 6 inches long x 5 inches high, Model: WAS2110.FC6180. All measurements are approximate and may vary slightly from the listed dimensions. Men's watch bands can be sized to fit 7.5-inch to 8.5-inch wrists.