Vintage 1969 JAPAN SEIKO LORD MATIC WEEKDATER 5606-7050 23Jewels Automatic.

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

Item description

It's a SEIKO Automatic Watch, LORD MATIC WEEKDATER 5606-7050 23Jewels .
It's in good used condition.
It's difficult to find this valuable watch in such a good condition. Highly recommended for SEIKO collectors!
Movement :
  • Pet name : 56 LORD MATIC WEEKDATER .
  • Caliber number : 5606A.
  • Movement : Automatic.
  • Beat rate : 21600bph.
  • Year of manufacture start : 1968's.
  • Factory : Suwa.
Externals :
  • Serial number : 9N8650.
  • Dial number : JAPAN 5606-7051R AD.
  • Glass : Acrylic.
  • Case size : About 35mm.
  • Lug width : 19mm.
  • Band : New Leather Strap.
Condition :
  • Used, it runs well.
  • Quick set(Day/Date) : Okay.
    Day of the week can be set in English or Kanji.
    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.
Key Features
  • The Icon of High-Growth Showa Corporate Styling (c. 1970): While early industrial dates can sometimes be misread on vintage stamps, the **Seiko Lord Matic (LM)** reference **5606-7050** is a definitive child of the early **1970s** Showa economic miracle. Produced by the **Suwa Seikosha** factory, this luxury daily instrument was built for Japan's rapidly modernizing white-collar workforce. It offered ambitious business professionals a beautifully slim, elegant alternative to the thick automatic watches of the previous decade, perfectly capturing the era's technical confidence and rising corporate pride.
  • The Low-Profile 23-Jewel Caliber 5606 Engine: This watch is powered by the legendary **23-jewel Caliber 5606**, a high-grade automatic movement operating at **21,600 vibrations per hour (vph)**. The 56-series is highly revered by vintage collectors for its advanced, ultra-thin mainplate architecture, which allowed Seiko to design sleek, low-profile dress cases without losing structural stability. It incorporates premium executive features of the era, including a **seconds-hacking mechanism** for precise time synchronization and manual-winding capability.
  • Architectural ""7050"" Balanced Circular Case Geometry: The reference **5606-7050** is highly celebrated among vintage purists for its textbook mid-century dress proportions. The stainless steel case features a clean, sweeping circular profile paired with elegant, tapered lugs that implement Taro Tanaka's **""Grammar of Design""** guidelines. With a beautifully flat bezel and a low center of gravity, this refined geometry maximized wrist comfort, allowing the watch to sit perfectly flush and slide effortlessly under a tailored suit cuff.
  • Masterful ""Weekdater"" Dial Purity and Harmony: The dial of the **5606-7050** is a masterclass in clean visual symmetry, showcasing a radiant silver sunburst canvas. It is decorated with **hand-applied, multifaceted elongated baton indices** and razor-sharp hands that catch the light beautifully at every angle. The prominent dual-calendar aperture at 3 o'clock houses a **bilingual (English/Kanji) day disk**, prioritizing instant legibility, while the applied, interlocking **""LM"" insignia** at 6 o'clock stands as a proud badge of Suwa factory craftsmanship.
  • A Lasting Legacy of Suwa's Golden Mechanical Era: Manufactured during the peak of Seiko's mechanical refinement in the early 1970s, the 5606-7050 remains a highly coveted cornerstone for serious vintage enthusiasts worldwide. It represents the perfect historical intersection where rugged daily durability met timeless minimalist aesthetics and high-utility micro-engineering. Built to an uncompromising industrial standard right before the full onset of the quartz revolution, it stands as a profound testament to an era when Japan perfected the luxury everyday dress watch.
    • 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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