Serviced Vintage 1967 JAPAN 44 KING SEIKO CALENDAR 4402-8000 25Jewels Hand-winding.

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

Item description

It's a Hand-winding Watch, 44 KING SEIKO CALENDAR 4402-8000 25Jewels .
It's in good used condition.
It's difficult to find this valuable watch in such a good condition. Highly recommended for collectors!
Movement :
  • Pet name : 44 KING SEIKO CALENDAR .
  • Caliber number : 4402Ａ.
  • Movement : Hand-winding.
  • Beat rate : 18000bph.
  • Year of manufacture start : 1965's.
  • Factory : Kameido.
Externals :
  • Serial number : 7500992.
  • Dial number : JAPAN 4402-8000R AD.
  • Glass : Acrylic.
  • Case size : About 36mm.
  • Lug width : 18mm.
  • Band : New Leather Strap of SEIKO original.
Condition :
  • Used, it runs well.
  • Quick set(Day/Date) : Okay.
    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.
  • Overhaul service in April 2026.
    The movement has been cleaned and oiled, so it works fine.
Key Features
  • The Pinnacle of Daini Manual-Winding (1967): In **1967**, the **44 King Seiko (44KS)** represented the ultimate challenge from the **Daini Seikosha (Kameido)** factory to its rival, Suwa. The reference **4402-8000** was produced during a landmark year when Seiko's internal competition led to world-leading precision. Positioned as a luxury instrument of clinical accuracy, it was the definitive choice for the elite Japanese professional who demanded a watch that could rival the finest Swiss chronometers.
  • The Robust 25-Jewel Caliber 4402: This watch is powered by the **25-jewel Caliber 4402A**, a heavy-duty manual-wind movement operating at **18,000 vibrations per hour (vph)**. In **1967**, the 44-series was celebrated for its oversized balance wheel and high-torque mainspring, ensuring exceptional stability. Unlike the earlier 44KS models, the **4402 introduced a date complication with a quick-set function**, making it a highly practical tool for the modern, fast-paced business environment of the late 60s.
  • Mastery of the ""Grammar of Design"" Geometry: The reference **4402-8000** is a textbook example of Taro Tanaka’s design revolution. The case features **thick, powerful lugs** with broad, mirror-polished facets created using the legendary **Zaratsu (blade) polishing** technique. In **1967**, this architectural rigor was intended to make the watch ""sparkle"" with masculine elegance, establishing the visual DNA that still defines the modern Grand Seiko ""Heritage"" collection today.
  • The Prestige of the Gold ""KS"" Shield Medallion: A defining hallmark of the **1967** 4402-8000 is the **solid gold ""KS Shield"" medallion** inset into the stainless steel case back. This was the ultimate seal of high-grade craftsmanship, marking the watch as a masterpiece of Daini Seikosha. The dial, featuring a radiant sunburst silver finish and **hand-applied, multifaceted baton indices**, prioritized extreme legibility and a sophisticated, understated luxury that commanded respect in any boardroom.
  • A Landmark of Showa-Era Horological Art: Produced in **1967**, the 4402-8000 remains one of the most significant ""Grail"" watches for vintage collectors worldwide. It represents the ""Purest Era"" of King Seiko, combining **heavy-duty mechanical engineering with timeless Japanese aesthetics**. It stands as a testament to the era when Daini Seikosha perfected the manual-wind movement, creating an enduring icon that remains as accurate and visually stunning today as it was over half a century ago.
    • For more information, please look at the pictures.
    Notes
    • Before buying.
      The vintage watches we sell are inspected and adjusted so they work fine. However, since it is an vintage watch, Please purchase on the assumption that it will be repaired.

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