SPB177 slug_ASTRONTI12 Providing a power reserve of

Providing a power reserve of approximately 72 hours

The black nylon strap includes a bright orange lining

and a tri-fold push-button release clasp

the Seiko Prospex line meets every challenge with technological excellence and style

SPB177 slug_ASTRONTI12 Providing a power reserve ofBuilt 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. 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. Honoring the acclaimed 2007 diver's watch, with its