SPB315 slug_MEssential3 dark gradated blue of the

dark gradated blue of the dial suggesting the variations in sunlight as it penetrates deep into the ocean

this exceptionally durable timepiece is crafted of stainless steel with super-hard coating

this rugged and stylish timepiece also includes a screwdown crown and caseback

The blue dial features day/date calendar

SPB315 slug_MEssential3 dark gradated blue of theProspex Automatic Diver's Watch. Designed for those who treat life as the ultimate adventure, the Seiko Prospex line meets every challenge with technological excellence and style. Part of a rich legacy of innovation in high intensity timekeeping, Prospex continues to celebrate a long history of sports watch excellence with re creations and re interpretations of landmark achievements. With the thinnest case to date of any Seiko automatic diver's watch,