SEIKO PROSPEX U.S. SPECIAL EDITION SPB421 45’mm legibility and durability that made

legibility and durability that made it standard equipment on the Japanese Antarctic Research Expedition (JARE)

The brushed bezel includes a blackened tachymeter scale

the 35mm belt is tied together by a roll pin buckle featuring Montblanc´s logo

with a power reserve of approximately 50 hours

and provides manual winding capability

SEIKO PROSPEX U.S. SPECIAL EDITION SPB421 45’mm legibility and durability that madeProspex 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 Seikos 1965 landmark first