SPB317 6R15 Sleeker and slimmer than the

Sleeker and slimmer than the original

assembled expressly for diver’s watches at the Shizukuishi Watch Studio

one a 24-hour indicator

topped with a scratch-resistant sapphire crystal with anti-reflective coating on the inner surface

SPB317 6R15 Sleeker and slimmer than 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,