Instantly upgrade your look with this sleek rubber and titanium watch from Concord. With convenient subdials, a comfortable strap and wide dial, this watch is the perfect way to stay on time and in style. Case: Titanium, rubber Caseback: Screw-down Bezel: Titanium, rubber Dial: Black Hands: White luminescent Markers: Luminescent indices Functions: Three hand, date Calendar: Day at 9 o'clock, Date Retrograde at 3 o'clock Band: Stainless steel bracelet Clasp: Double-folding Crystal: Scratch-resistant sapphire Crown: Screw-down Movement: Swiss Mechanical Automatic Water resistance: 20 ATM/200 meters/660 feet Case measurements: 45 mm wide x 43 mm long x 13 mm thick Band measurements: 29 mm wide x 7.5 inches long Model: 0320054 Imported 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. NOTE: Click here regarding the important return policy of this watch