SEIKO-PROSPEX U.S. SPECIAL EDITION SPB419 gshock and a round date window

and a round date window at the 6 o'clock position

domed mineral crystal

LumiBrite markers and hands for enhanced legibility

Lighter necklace in iconic diamond guilloche and matte black finish

Water-resistant to 10 bar

SEIKO-PROSPEX U.S. SPECIAL EDITION SPB419 gshock and a round date windowProspex U. S. Special Edition Launched exclusively in the U. S. market Prospex Automatic Diver Automatic with manual winding capability Blue uni directional rotating elapsed timing bezel Vivid blue dial patterned and gradated to suggest the icy surfaces of the perilous, yet beautiful, Michigan Blue Ice Date calendar LumiBrite hands and markers Screwdown crown and caseback Tri fold push button release clasp with secure lock and extender