Seiko PROSPEX collection SRPE99 combines and celebrates a partnership with PADI (Professional Associated of Diving Instructors) with their official colors, branding and namesake on the dial and bezel. The automatic 45mm dive watch has a blue and red (Pepsi) rotating uni-directional 120 click elapsed timing bezel. Equipped with a double day and date window @3 and luminous hands and appendages makes this wrist watch easily readable in any environment. The screw-down crown provides added security against moisture and dirt intrusion and is well suited for professional diving with a 200 meter water resistance.The brushed case and bracelet have polished sides with the crown strategically positioned at 4:00 for increased comfort. Seiko's own in-house-made automatic caliber 4R36 movement powers the watch with a 2 push button safely clasp that is adjustable by 5 positions will keep your watch secure and in place. The PROSPEX collection is a gold standard for watch enthusiast of all capacities.