Seiko 5 Sports SRPH31 Automatic Blue Dial Pilots Watch Marathon this is the ultimate dive

this is the ultimate dive watch to own and comes in a unique scuba tank-inspired box for the serious diver and collector

slimmer timepiece

secures the timepiece to the wrist

Alarm function (daily alarm)

Seiko 5 Sports SRPH31 Automatic Blue Dial Pilots Watch Marathon this is the ultimate diveMovement Caliber Number 4R36 Movement Type Automatic with manual winding Duration Approx. 41 hours Exterior Case Material Stainless steel Crystal Curved Hardlex LumiBrite LumiBrite on hands and indexes Band Material Nylon Other Details Water Resistance 10 bar Case Size Thickness: 13. 2 Diameter: 39. 4 Length: 48. 1 Weight 75. 0 g Other Specifications Screw case back See through case back Other Features 24 jewels Day Date display Stop seconds hand