Tommy Bahama Men's 10018297 Big Island Diver Chronograph Analog Display Japanese Quartz Black Watch Japanese quartz chronograph movement with sweeping second-hand and big date, durable & comfortable canvas strap with a solid stainless steel buckle closure High grade, stainless-steel case, caseback and crown, durable k1 mineral glass crystal & water-resistant to 200m (660 feet), and all with a 5-year limited warranty Japanese-quartz movement Case diameter: 50mm Water resistant to 660 feet