Tommy Bahama Relax Men's 10018377 Kona Grand Prix Chronograph (Land) Analog Display Japanese Quartz Black Watch Japanese quartz 2-hand movement with sweeping second-hand, soft & comfortable silicone strap with solid stainless-steel buckle and keeper High grade, stainless-steel case, caseback and crown, durable k1 mineral glass crystal & water-resistant to 100m (330 feet), and all with a 5-year limited warranty Japanese-quartz movement Case diameter: 45mm Water resistant to 330 feet