Vintage 1959 JAPAN SEIKO CROWN J14040 21Jewels Hand-winding.

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

Item description

It's a SEIKO Hand-winding Watch, CROWN J14040 21Jewels .
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 : CROWN .
  • Caliber number : 560.
  • Movement : Hand-winding.
  • Beat rate : 18000bph.
  • Year of manufacture start : 1959's.
  • Factory : Suwa.
Externals :
  • Serial number : 9045575.
  • Dial number : JAPAN.
  • Glass : Acrylic.
  • Case size : About 35mm.
  • Lug width : 18mm.
  • Band : New Leather Strap.
Condition :
  • Used, it runs well.
  • 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 Foundational Milestone of Japan's Precision Era (1959): In **1959**, a historic year when the Japanese tech sector stood on the precipice of global expansion, the **Seiko Crown** arrived as a monumental mechanical triumph. Carrying reference **J14040**, this legendary timepiece was engineered by the **Suwa Seikosha** factory during the high-growth Showa period. Specifically designed to surpass the boundaries of the previous ""Marvel"" series, the Crown elevated Japanese timekeeping to international chronometer standards, making it the most historically significant mid-century dress watch of its generation.
  • The Chronometer-Gene 21-Jewel Hand-Winding Heart: This masterpiece is powered by the highly revered **21-jewel Crown caliber**, a premium manual-wind engine operating at a traditional frequency of **18,000 vibrations per hour (vph)**. By enlarging the balance wheel and mainspring barrels relative to older calibers, Suwa engineers achieved unprecedented positional and temporal stability. This exact **21-jewel architecture** was so fundamentally over-engineered and inherently precise that it was chosen just a year later as the direct mechanical foundation for the historic First-Generation Grand Seiko (1960).
  • Architectural ""J-Prefix"" 14K Gold Filled Masterpiece: The reference **J14040** features the prestigious **""J"" prefix**, identifying it as an authentic early-production run from the dawn of the series. The elegant round case is layered with thick, luxury **14K Gold Filled (14KGF)** finish, displaying a warm, deep luster that resists wear far better than basic plating. With its sweeping, gracefully tapered lugs and an ultra-slender bezel, the case geometry achieves a sleek profile that slides beautifully under a tailored double-cuff shirt.
  • Immaculate ""SD"" Dial Purity with Sovereign Cursive Script: By completely omitting a calendar window, the dial achieves **perfect visual balance and serene symmetry**. The radiant sunburst silver face proudly displays a printed star icon at 6 o'clock, certifying it as a **Special Dial (SD)**—meaning the **hand-applied, multifaceted indices are crafted from solid gold alloy**. Paired with razor-sharp Dauphine hands and a beautiful, floating **cursive ""Seiko Crown"" script logo**, the face remains a pinnacle of high-luxury industrial restraint.
  • The Sovereign Crown Jewel of Post-War Horology: Manufactured in the milestone year of **1959**, the J14040 21-jewel variant stands as an absolute ""holy grail"" cornerstone for serious vintage Seiko collectors worldwide. It represents the crucial historical turning point where traditional Japanese watchmaking successfully caught up to and challenged the elite houses of Switzerland. Built to an uncompromising heirloom standard, it remains a profound testament to an era when Japan perfected the luxury hand-wound dress instrument.
    • For more information, please look at the pictures.
    Notes
    • Before buying.
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