SPB317 6R15 Framed by a 60-minute track

Framed by a 60-minute track marked in five-minute increments

Sleeker and slimmer than the original

Crafted of stainless steel with durable super-hard coating and a secure screwdown crown

Coutura Solar Perpetual Chronograph

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

SPB317 6R15 Framed by a 60-minute trackProspex 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,