PROSPEX U.S. SPECIAL EDITION SPB421 21 Including the original’s signature built-in

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

with a 6-month power reserve when fully charged

The 24-jewel automatic movement beats at a frequency of 21

and a magnified date calendar

Presage Style ’60s GMT

PROSPEX U.S. SPECIAL EDITION SPB421 21 Including the original’s signature built-inProspex 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