Expressing the beauty and mystery encountered by intrepid explorers of undersea caves, this extraordinary design, available exclusively as a U.S. Special Edition, features a textured light blue-gray dial evoking the changing tones of mineral and stone deposits on cave walls, as well as a uni-directional rotating elapsed timing bezel in a subtle two-tone to suggest the duality of light and dark within.

The Seiko Prospex SPB351 Automatic Diver watch features a 43.5mm blue-gray dial. 6R35 movement, with incredibly light, durable titanium bracelet. Light blue-gray textured dial evoking the mineral and stone deposits of underwater caves; featuring a date calendar, LumiBrite markers, and a tri-fold push button release clasp with secure lock and extender.  

U.S. Special Edition, 200 meters water resistant - follows ISO standards and is suitable for scuba diving. 

6R35, 70 hours.