Seiko Prospex GMT SUN059P1 Mens Wristwatch With kinetic movement Precise Motion Power Japan Kinetic Quartz Movement (Caliber 5M85) Stainless Steel Case, Genuine Leather Band Hardlex Mineral Crystal, Date Display, Push Button Power Reserve Indicator, 6 Months Power Reserve on Full Charge GMT Function Case Size: 46 mm Diameter , 13 mm Thickness Water Resistant - 10 ATM, Screw Down Case Back