Vintage 1965 JAPAN SEIKO SPORTSMATIC5 DX 7606-7982 23Jewels Automatic.

Vintage 1965 JAPAN SEIKO SPORTSMATIC5 DX 7606-7982 23Jewels Automatic.

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

Item description

Movement :

• Pet name : SPORTSMATIC5 DX .
• Caliber number : 7606A.
• Movement : Automatic.
• Beat rate : 18000bph.
• Year of manufacture start : 1964's.
• Factory : Kameido.

Externals :

• Serial number : 5201239.
• Dial number : JAPAN 7606-7981T AD.
• Glass : Acrylic.
• Case size : About 37mm.
• Lug width : 19mm.
• Band : New Leather Strap.

Condition :

• Used, it runs well.
• Quick set(Day/Date) : Okay.
  Set the day of the week : English only.
  Set of the date: Press the button near the 3:00 position.
  Set of the days of the week : Turn the hour hand for 24 hours to set it.
• 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.

Key Features

The Sovereign Peak of Mid-60s Deluxe Automatic Luxury (1965): Manufactured in **1965**—a landmark historical year defined by Japan's post-war economic boom and technical leadership in watchmaking—the **Seiko Sportsmatic 5 DX** represented the absolute flagship tier of Suwa Seikosha's early ""5"" series. Sourced under reference **7606-7982**, this elite **Deluxe (DX)** model sat directly above standard Sportsmatics, delivering high-grade movement finishing, elevated dial detailing, and executive sophistication during the golden era of Showa-era design.

The Over-Engineered 23-Jewel Caliber 7606 Automatic Heart: Powering this historic timepiece is the revered **23-jewel Caliber 7606A**, an in-house automatic engine operating at a classic frequency of **18,000 vibrations per hour (vph)**. Equipping an everyday automatic watch in **1965** with a lavish **23-jewel specification** was a major statement of micro-engineering luxury. Utilizing synthetic rubies across gear-train pivots to minimize rotor friction, it features **hacking seconds** (stop-second device) and robust **Diashock** shock protection.

Innovative Upper Push-Button Quick-Set Date Utility: A defining technological triumph of the 7606 movement was its dedicated **quick-set date push-button** located at the 2 o'clock position. By simply depressing this upper pusher, the wearer could instantly advance the date calendar with sharp, tactile feedback—a massive user convenience that separated the Deluxe tier from base automatic models while keeping the main crown recessed neatly at 4 o'clock.

Architectural ""7982"" Case Geometry and Mid-Century Dial Elegance: The reference **7606-7982** is globally distinguished among vintage collectors for its robust, broad-shouldered stainless steel case architecture featuring sharp, angular lugs designed according to Taro Tanaka's early **""Grammar of Design""** guidelines. The radiant silver sunburst dial showcases **hand-applied, multifaceted rectangular hour indices**, sharp dauphine hands, and a dual-calendar window framed at 3 o'clock.

The Sovereign Gold Dolphin or Engraved Case Back Heritage: The ultimate hallmark of this 1965 treasure sits proudly on the case back: the iconic **embossed gold or deeply engraved Seiko Dolphin crest** alongside the stylized ""5"" emblem. This crest historically certified its factory-regulated precision and water-resistant construction. Built to an uncompromising heirloom standard, the 7606-7982 Deluxe stands as an eternal, investment-grade cornerstone reference for collectors worldwide.

For more information, please look at the pictures.

Notes

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