Vintage 2000 JAPAN SEIKO DIVER'S 200M 7S26-0020 21Jewels Automatic.

Welcome to my auction!
I am Japanese who live in Tokyo.

Item description

Movement :

• Pet name : DIVER'S 200M .
• Caliber number : 7S26A.
• Movement : Automatic.
• Beat rate : 21600bph.
• Year of manufacture start : 1996's.
• Factory : Kameido.

Externals :

• Serial number : 095333.
• Dial number : JAPAN 7S26-002R R 2.
• Glass : Crystal.
• Case size : About 42.5mm.
• Lug width : 22mm.
• Band : Wrist size that can be worn is Up to about 188mm.(with links).

Condition :

• Used, it runs well.
• Approximate width of the bezel : 41mm. Bezel operation: good.
  Quick set(Day/Date) : Okay.
  Day of the week can be set in English or Kanji or Spanish.
  Set of the date : The set at one stage pulling the crown.
• The day difference time of an used watch is about +-1 minute / day.
• For practical, everyday use, it would be advisable to have the movement cleaned and oiled.
• There is a small scratch on the glass.
• Possible overseas production model.

Key Features

The Millennium Icon (2000): By the year **2000**, the **Seiko SKX007 (7S26-0020)** had established itself as the world’s most dependable entry-level professional diver. This specific model from the turn of the millennium represents the peak of Seiko's ""tool watch"" philosophy—offering ISO-rated diving capability at a price point that made it accessible to everyone from professional divers to military personnel and enthusiasts alike.

The Workhorse Caliber 7S26: This watch is powered by the **21-jewel Caliber 7S26**, an automatic movement that has become legendary for its ""bulletproof"" reliability. Introduced in the mid-90s and still going strong in **2000**, it features the efficient **Magic Lever** winding system. While it lacks hacking and manual winding, it is famous for its ability to run for decades without a service, embodying the true spirit of a rugged mechanical instrument.

ISO 6425 Certified Professional Case: The reference **7S26-0020** features a 42mm stainless steel case designed for serious underwater use. With its **screw-down crown at 4 o'clock**—positioned to prevent it from digging into the wrist—and a unidirectional 120-click bezel, it meets the strict **ISO 6425** standards for diver's watches. The case architecture is a direct descendant of the 150m divers of the 1970s, refined for the modern era.

High-Visibility Lumibrite Dial: In **2000**, Seiko was leading the industry with its proprietary **Lumibrite** paint. The 7S26-0020 features large, circular indices and distinct ""arrow"" hands coated in this powerful luminous material, providing an intense glow that remains legible in the darkest depths of the ocean. The high-contrast black dial and the iconic ""DIVER'S 200m"" text in orange have since become an unmistakable visual hallmark.

A Global Cult Classic: Produced during an era when Seiko dominated the affordable mechanical market, the **SKX007 (0020 case)** is now considered a ""must-have"" for any serious collector. It stands as a bridge between vintage design and modern manufacturing, celebrated for its **unpretentious durability** and its status as the last great affordable ISO diver from Seiko’s traditional mechanical lineage.

For more information, please look at the pictures.

Notes

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