SPB263 JSY8R4C1 With a sophisticated sunray finish

With a sophisticated sunray finish

which beats at a frequency of 21

Prospex Speedtimer 40th Anniversary Limited Edition

The blue multi-layered dial

available in a controlled production run of 300 with the serial number engraved on each caseback

SPB263 JSY8R4C1 With a sophisticated sunray finishBuilt for the Ice Diver 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. Paying tribute to the durability of Seiko watches in the coldest and iciest conditions, this Special Edition was inspired by the landmark 1970 divers watch, a favorite of daring adventurer Naomi Uemura, the first man to conquer the highest mountains on five