Sperry Top-Sider Men's 10018677 Explorer Analog Display Japanese Quartz Brown Watch Japanese quartz analog 3-hand movement with sweeping second hand and date, solid stainless steel case, solid stainless steel case back and solid stainless steel crown, comfortable nylon strap with solid stainless steel buckle and keeper Durable mineral crystal protects watch from scratches, water-resistant to 165 feet (50m), and all with a limited lifetime warranty Japanese-quartz movement Case diameter: 43mm Water resistant to 165 feet