Seiko Prospex "Turtle" Black Series - SRPK43 Citizen Promaster while the two-color bezel adds

while the two-color bezel adds quick day-night reference

and double deployment clasp with push button release

Displaying a bold gold-tone case frames a smooth black dial

Clarity and comfort come together in this enduring design

Slide rule bezel for flight calculations

Seiko Prospex "Turtle" Black Series - SRPK43 Citizen Promaster while the two-color bezel addsProspex 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