Seiko Kinetic Premier Perpetual Leather Strap Mens Watch SNP037 Imported Motion Power Kinetic Quartz Movement (Caliber 7D48) Stainless Steel Case, Leather Strap Sapphire Coated Crystal, Perpetual Calendar Function, Month and 24 Hour Indicator Dials Case Size: 40.5mm Diameter, 12mm Thickness Water Resistant - 100M