Seiko Prospex SPB421 U.S. Special Edition 62MAS Blue Dial Luminox Tony Kaanan Carbon Chronograph 1101 Bi-color molded bands is black

Bi-color molded bands is black on the outside and purple on the inside

exclusive to Seiko

Scratch resistant sapphire

battery operating time:5 months on rechargeable battery (operation period with normal use without exposure to light after charge)

Strap: Brown ostrich leather

Seiko Prospex SPB421 U.S. Special Edition 62MAS Blue Dial Luminox Tony Kaanan Carbon Chronograph 1101 Bi-color molded bands is blackProspex U. S. Special Edition. 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, leading the way with new advances, while recreating and reinterpreting landmark achievements. Inspired by Seiko's 1965 landmark first