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Tag Archives: Seiko SKX399

Seikos in September #25 1997 Seiko SKX399 and 1998 Seiko SKX401 7S26-0020

Today, Friday, the 25th of September 2026, Timepieces is proud to feature a pair of highly-desirable, highly-collectible, and mythical Seiko Scuba Diver’s watches – the 1997 SKX399 and 1998 SKX401, Reference No. 7S26-0020. The myth around these automatic dive watches revolves around the idea that these were released primarily for the Philippine market, thus, they are affectionately known in local ...

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