SPB315 slug_MEssential3 and a tri-fold push button

and a tri-fold push button release clasp

Designed for high visibility

In stainless steel with black hard coating

This masterfully updated design is crafted of stainless steel with super-hard coating

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

SPB315 slug_MEssential3 and a tri-fold push buttonProspex 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,