Prospex Black Series SRPK43 Azzi with secure screwdown caseback and

with secure screwdown caseback and blue ion-finish tachymeter bezel

From the Prospex Collection

The sapphire glass with anti-reflective coating provides excellent legibility and protection

Motorbikes are more than a means of transportation

This rugged timepiece features a black uni-directional rotating elapsed timing bezel

Prospex Black Series SRPK43 Azzi with secure screwdown caseback andProspex Black Series. Designed for those who treat life as the ultimate adventure, Seiko Prospex keeps moving forward, meeting every challenge with technological excellence and winning design. Featuring Green LumiBrite Pro, " developed for divers by combining the color most recognizable in the dark with a higher brightness and longer afterglow, this extraordinary timepiece provides a "night vision" experience for visibility in the dark resembling the