Seiko Prospex SRPF79 Save The Ocean Manta Ray Samurai Alpina and show the world what

and show the world what it's made of

Power supply and Battery life: Tough Solar (Solar powered)

Blue enamel dial

Blue and black rotating sapphire GMT bezel

Seiko Prospex SRPF79 Save The Ocean Manta Ray Samurai Alpina and show the world whatCaliber Number 4R35 Movement Type Automatic with manual winding capacity Duration Approx. 41 hours Exterior Crystal Sapphire crystal with magnifier Crystal Coating Anti reflective coating on inner surface LumiBrite Lumibrite on hands, indexes and bezel Band Material Silicone Other Details Water Resistance 200m 660ft diver's Case Size Thickness: 12. 8 Diameter: 43. 8 Length: 48. 7 Weight 127. 0 g Other Specifications Screw case back Screw down crown