Vintage 1967 JAPAN SEIKO SPORTSMATIC5 6619-8290 21Jewels Automatic.

Vintage 1967 JAPAN SEIKO SPORTSMATIC5 6619-8290 21Jewels Automatic.

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

Item description

Movement :

• Pet name : SPORTSMATIC5 .
• Caliber number : 6619A.
• Movement : Automatic.
• Beat rate : 18000bph.
• Year of manufacture start : 1964's.
• Factory : Suwa.

Externals :

• Serial number : 7252558.
• Dial number : JAPAN 6619-8370T AD.
• Glass : Acrylic.
• Case size : About 36.1mm.
• Lug width : 18mm.
• Band : New Leather Strap of SEIKO original.

Condition :

• Used, it runs well.
• Quick set(Day) : Okay.
  Set the day of the week : English only.
  Set of the days of the week : Turn the hour hand for 24 hours to set it.
  Set of the date: Press 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 Late-60s Action Executive Luxury (1967): In **1967**, a landmark historical year marked by Japan's soaring industrial pride and rapid urban modernization, the **Seiko Sportsmatic 5** stood as a premier lifestyle statement. Sourced from the **Suwa Seikosha** factory under reference **6619-8290**, this robust model was explicitly drawn for the active modern gentleman. By successfully uniting five core attributes—automatic winding, water resistance, date and day displays, and a recessed crown—it completely redefined everyday mechanical reliability for the Showa era.

The Highly Reliable 21-Jewel Caliber 6619 Heart: This watch is powered by the famous **21-jewel Caliber 6619**, a robust workhorse automatic movement operating at a classic frequency of **18,000 vibrations per hour (vph)**. In **1967**, deploying a **21-jewel specification** for an everyday sport-dress watch was a massive statement of manufacturing quality. Utilizing extra synthetic rubies to secure vital gear-train pivots and optimize auto-winding efficiency, this caliber delivered exceptional daily stability that vastly outperformed mainstream competitors.

Architectural ""8290"" Broad-Shouldered Bold Case Geometry: The reference **6619-8290** is highly celebrated among vintage purists for its substantial, commanding presence. Unlike thinner dress lines, the solid stainless steel case features **wide, muscular integrated lugs and a bold polished bezel** that execute early structural guidelines with a sportier attitude. Adhering to the core identity of the ""5"" series, it houses a **completely recessed time-setting crown at 4 o'clock**—visual proof that manual winding was fully obsolete due to the high efficiency of its internal automatic weight system.

The Innovative Push-Crown Quick-Set Calendar Mechanism: One of the most famous engineering traits of the Caliber 6619 is its highly responsive **push-crown date quick-set feature**. By simply depressing the main crown inward like a button, the user could instantly advance the inner date disk forward by one day without interacting with the hands. The dial houses a beautifully framed dual-calendar window at 3 o'clock featuring a **bilingual day disk**, perfectly complementing the gorgeous silver sunburst canvas and hand-applied, multifaceted chunky block indices.

A Sovereign Milestone of Suwa's Automatics: Manufactured in the milestone mechanical year of **1967**, the 6619-8290 21-jewel variant remains a highly sought-after reference for serious vintage Seiko enthusiasts worldwide. It represents the perfect historical intersection where rugged daily durability met early space-age graphic styling and high-utility lifestyle micro-engineering right before the industry shifted toward higher frequencies. Built to an uncompromising heirloom standard, it stands as a profound testament to an era when Japan perfected the high-utility daily instrument.

For more information, please look at the pictures.

Notes

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