The Seiko Prospex SRPH59 U.S. Special Edition is a tribute to Seiko Prospex's ongoing efforts to promote ocean exploration and conservation. This automatic diver's watch has a manual winding capability and beats at 21,600 vibrations per hour with a power reserve of approximately 41 hours. The 24-jewel movement ensures accurate timekeeping and reliability.

The watch features a blue ceramic unidirectional rotating elapsed timing bezel and an intricately patterned blue dial inspired by the turtle shell. The day/date calendar is displayed with day in both English and Kanji. The hands and markers are coated with LumiBrite, a luminescent material that enhances visibility in low-light conditions. The watch is protected by a sapphire crystal with anti-reflective coating on the inner surface.

The watch has a screwdown crown and screwdown Special Edition caseback with a sea turtle image. The case diameter is 45.0mm and is made of stainless steel with a matching bracelet. An additional blue silicone strap is also included. The watch is water-resistant to 200 meters (660 feet), and it follows ISO standards, making it suitable for scuba diving.

Overall, the Seiko Prospex SRPH59 U.S. Special Edition is a beautiful and functional timepiece that pays homage to Seiko Prospex's commitment to ocean exploration and conservation. Its blue ceramic bezel, intricately patterned blue dial, and sea turtle image on the caseback make it a unique and stylish accessory. The automatic movement ensures accurate timekeeping, and the LumiBrite coating ensures excellent visibility in any lighting condition.