Prospex U.S. Special Edition SRPH57

Prospex U.S. Special Edition. Designed for those who treat life as the ultimate adventure, Seiko Prospex keeps moving forward, meeting every challenge with technological excellence and winning design. With an intricately patterned turquoise dial inspired by turtle shells, this exciting Special Edition celebrates Prospex's ongoing efforts to promote ocean exploration and conservation. For reliable timing in rough waters, the 24-jewel automatic movement, which beats at a frequency of 21,600 vibrations per hour, provides a power reserve of approximately 41 hours and offers manual winding capability. Framed by a black ceramic uni-directional rotating elapsed timing bezel, the dial features LumiBrite hands and markers, as well as a day/date calendar in both English and Kanji. Crafted of stainless steel, with scratch-resistant anti-reflective sapphire crystal, and secure screwdown crown and Special Edition caseback with sea turtle image, this durable timepiece follows ISO standards for scuba diving at depths of up to 200 meters. Includes additional green silicone strap. 200m Water Resistant

Technical Data

Caliber 4R36ö

21,600 vibrations per hourö

24 jewelsö

Power reserve: approximately 41 hoursCase Diameter: 45.0mmö

Case Thickness: 13.20mmStainless steel caseö

Sapphire crystal with anti-reflective coating on the inner surfaceö

Stainless steel braceletö

200 meters (660 feet), follows ISO standards and is suitable for scuba divingö

Features

Prospex U.S. Special Editionö

Celebrates Seiko Prospex's ongoing efforts to promote ocean exploration and conservationö

Automatic diver with manual winding capabilityö

Black ceramic unidirectional rotating elapsed timing bezelö

Intricately patterned turquoise dial inspired by the turtle shellö

Day/date calendar with day in both English and Kanjiö

LumiBrite hands and markersö

Screwdown crownö

Screwdown Special Edition caseback with sea turtle imageö

Additional green silicone strapö