The Seiko PADI Prospex SUN065 Kinetic GMT watch comes with an anti-reflective sapphire crystal and a blue dial with luminous hands and hour markers. It has 47.5mm diameter case, a date window, and a GMT hand for tracking a second time zone. The watch is powered by a Caliber 5M85 kinetic powered quartz movement that recharges its battery with the movement of your wrist. It has up to a 6 month power reserve that you can check with the push-button located at 2:00 on the side of the case. It comes with a solid-link bracelet with a push-button deployant clasp with safety catch. PADI: Seiko has formed a partnership with the world's largest diving network PADI (Professional Association of Dive Instructors). As a result, Seiko has introduced this special edition SUN065 Kinetic diver's watch to celebrate. Features include: Stainless steel case, screw-in caseback, screw-down crown, water-resistance: 200m, magnetic resistance: 4,800 A/m, 47.5mm x 14.1mm, and a silicone strap. Features Movement: Kinetic Quartz (battery powered) Case: Stainless steel, 47.5mm diameter x 15mm thick Back: Screw-in back Crystal: Anti-Reflective Sapphire Band: Silicone rubber strap, buckle closure Water Resistant: 200 meters Warranty: 2 Years