Seiko Prospex Save The Ocean 'King Samurai' LIMITED EDITION Blue Dial Men 43.8mm SRPF79K1 True Square Automatic Diamonds and its deliberately imposing diameter

and its deliberately imposing diameter guarantees readability even at the murkiest depths

their timepieces have always been ahead of their time

This 28 mm 18K yellow gold and stainless steel model features a bezel engraved with Roman numerals

5 mm models

EFR-539BK has luminous coating that provides illumination in the dark

Seiko Prospex Save The Ocean 'King Samurai' LIMITED EDITION Blue Dial Men 43.8mm SRPF79K1 True Square Automatic Diamonds and its deliberately imposing diameterThis Prospex watch is from Seiko's "Save The Ocean" collection. The dial of this special edition timepiece represents the view of the ocean as seen by the 5m deep vision of the Manta Ray endangered species. Its colours echo the gradations of sunlight refraction and the patterns symbolise waves seen from under the sea. Seiko donates proceeds from Save The Ocean models to sea conservation organisations. This watch shape is nicknamed by Seiko fans as a