Seiko Men's SRPH57 Prospex Special Edition Turtle Watch
Model number: SRPH57
Prospex U.S. Special Edition
Movement: automatic with manual winding
Case diameter: 45.0mm
Case material: stainless steel, Special Edition case back with sea turtle image
Bezel: black ceramic unidirectional rotating elapsed timing bezel
Crystal: sapphire with anti-reflective coating on the inner surface
Dial: patterned turquois dial inspired by the turtle shell
Bracelet color: silver tone
Bracelet material: stainless steel, additional green silicone strap
Power reserve: approximately 41 hours
Functions: 24 jewels, day/date calendar with day in both English and Kanji, LumiBrite hands and markers, screw down crown and case back
Water resistance: water-resistant to 200 meters (660 feet), Diver's Watch. Follows ISO standards and is suitable for scuba diving
Caliber: 4R36