PROSPEX U.S. SPECIAL EDITION SPB421 21 and a magnified date calendar

and a magnified date calendar

Presage Style ’60s GMT

with a 6-month power reserve when fully charged

Including the original’s signature built-in crown protector at 4 o’clock

Providing automatic technology that you control with every movement

PROSPEX U.S. SPECIAL EDITION SPB421 21 and a magnified date calendarProspex 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 re creating and re interpreting landmark achievements. Inspired by Seikos 1965 landmark first