Stuhrling Original's Nautic is a member of the Regent Family. This incredibly stylish timepiece features a solid stainless steel case with a ribbed bezel, which protects the Ronda 515 Swiss quartz movement. Case: 316L Surgical Grade Stainless Steel Silver Caseback: Stainless Steel, Screw down Bezel: Polished Ribbed Bezel Dial: Matte Dial with Concentric Circles Hands: Baton-Style Hands Markers: Individually Applied Arabic Numerals - 3,6,9, and 12; with Swarovski Crystal Markers at All Othre Points Strap:Bracelet Silver Stainless Steel Link Clasp: Push Button Deployant Crystal: Krysterna Crown: Push/Pull Fluted Crown with Stuhrling Wings Logo Movement: Swiss Quartz Water resistance: 10 ATM/100 meters/330 feet Case measurements: 42.0mm wide x 42.0mm long x 9.84mm thick Strap measurements: 22.0mm wide x 8.0 inches long Model: MW399GS33111O 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 . Color: Silver. Gender: Male. Age Group: Adult.