PROSPEX: Seiko Prospex challenges every limit, with a collection of timepieces for sports lovers and adventure seekers whether in the water, in the sky or on land. Since launching Japan’s first diver’s watch in 1965, Seiko’s innovative technology has changed global standards. We are constantly striving to bring ever greater reliability and safety to both professional and recreational divers.
TUNA- Nicknamed by SEIKO fans as the TUNA this dive watch got its name as the protective outer shell gives it a distinct tuna- can like look. Production for this style stared in 1975.
The dial of this watch is matte black with oversized LumiBrite markers and hands as well as a day and date function. The case of the watch is made from a single piece of titanium with an outer ceramic shroud that measures 49.4mm and also features a uni-directional, rotating bezel with a ceramic insert. The look of the watch is completed with a black silicone strap.
-Sapphire Crystal Glass
-49.4mm Case Width
-1000m Water Resistant
-3 Year Warranty
MODEL NUMBER: S23631J
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