Prospex Alpinist. Seiko Prospex challenges every limit with timepieces created to exceed expectations, engineered with superior style and innovative technology for the sea, sky or land. Driven by a heritage of iconic design, Prospex continues to keep going forward with excellence in precision timekeeping, crafted for the modern world. Inspired by Seiko’s first sports watch, introduced in 1959 for daring mountaineers, this tailored, yet rugged creation celebrates the rise to high-intensity timekeeping by prominently displaying the Alpinist logo on the dial.