Vintage 1965 JAPAN SEIKO SPORTSMATIC5 DX 7619-7010 25Jewels Automatic.

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

Item description

It's a SEIKO Automatic Watch, SPORTSMATIC5 DX 7619-7010 25Jewels .
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 : 76 SPORTSMATIC5 DX.
  • Caliber number : 7619A.
  • Movement : Automatic.
  • Beat rate : 18000bph.
  • Year of manufacture start : 1965's.
  • Factory : Kameido.
Externals :
  • Serial number : 5823743.
  • Dial number : JAPAN 7619-7020S AD.
  • Glass : Acrylic.
  • Case size : About 37.7mm.
  • Lug width : 18mm.
  • Band : Wrist size that can be worn is Up to about 188mm.
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 Birth of the ""Deluxe"" Standard (1965): In **1965**, the **Seiko Sportsmatic 5 DX** arrived as the premium flagship of the world-famous ""5"" series. The reference **7619-7010** was produced by the **Suwa Seikosha** factory as a sophisticated upgrade for those who demanded more than basic utility. The **""DX"" (Deluxe) designation** signified high-grade movement regulation and superior case finishing, offering the ambitious Showa-era professional a ""luxury-sport"" experience that combined rugged durability with boardroom-ready elegance.
  • The High-Precision 25-Jewel Caliber 7619 Heart: This watch is powered by the **25-jewel Caliber 7619**, a robust automatic movement operating at **18,000 vibrations per hour (vph)**. In **1965**, the **25-jewel specification** was a mark of mechanical prestige, utilizing extra synthetic rubies to minimize friction in the complex calendar mechanism. This caliber is world-renowned for its **Magic Lever** winding system, which ensured industry-leading winding efficiency, allowing the watch to stay powered through even the most subtle wrist movements.
  • The Iconic ""Quick-Setter"" Architectural Case: The reference **7619-7010** is celebrated for its unique **dedicated date-pusher at the 2 o'clock position**. In **1965**, this was a high-tech breakthrough; a simple press of the button instantly advances the date, while the main crown remains recessed at 4 o'clock. This design visually communicated that manual winding was obsolete, resulting in a streamlined, futuristic silhouette that became the definitive look for Seiko's premium sport-dress lineup.
  • Masterful ""Grammar of Design"" Dial Harmony: The dial of the **7619-7010** is a study in mid-century clarity, featuring a radiant sunburst silver finish and **hand-applied, thick multifaceted baton indices**. With its sharp Dauphine hands and a framed dual-calendar window at 3 o'clock, the dial prioritized clinical legibility. The applied ""5"" shield and ""DX"" logos remain prestigious hallmarks of an era that valued bold, high-status aesthetics and the optimistic energy of Japan’s mid-60s economic rise.
  • A Landmark of Suwa's ""Seahorse"" Heritage: Produced in **1965**, the 7619-7010 remains a highly coveted reference for collectors of the ""Early 5"" era. It typically features the legendary **Seahorse etching** on the case back, symbolizing its status as a ""water-proof"" and reliable instrument for the active lifestyle. It stands as a testament to an era when Suwa Seikosha perfected the **""Active-Luxury"" concept**, creating a nearly indestructible masterpiece that remains as accurate and visually striking today as it was over half a century ago.
    • For more information, please look at the pictures.
    Notes
    • Before buying.
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