Product Description

As a supplier of military watches for the U.S. Navy SEALs and U.S. Air Force, Luminox watches are designed to handle any sort of environment at any given moment. This timepiece features a black dial, chronograph functions, date window and a rubber strap. Case: Brushed stainless steel Caseback: Stainless steel, screw-down Bezel: Black carbon-reinforced polyurethane, unidirectional rotating Dial: Black Hands: White, luminescent Markers: White Arabic numerals Calendar: Date window at 4 o'clock Subdials: Seconds, 12-hour counter, 30-minute counter Strap: Black rubber Clasp: Pin buckle Crystal: Mineral Crown: Screw-down Movement: Swiss quartz Water resistance: 20 ATM/200 meters/660 feet Case measurements: 44 mm in diameter x 14 mm thick Strap measurements: 22 mm wide x 8 inches long Box measurements: 4 inches wide x 4 inches long x 3 inches high Model: A.3181 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. Click here to view our Watch Sizing Guide . A screw-down crown (knob) creates a water-resistant seal. To unscrew the crown, turn counter-clockwise and pull/push into position to set time, date, and other functions. To close the crown, press it against the case and turn clockwise.