Serviced Vintage 1966 JAPAN SEIKO SPORTSMATIC5 DX 7619-9010 25J Automatic.

Serviced Vintage 1966 JAPAN SEIKO SPORTSMATIC5 DX 7619-9010 25Jewels Automatic.

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

Item description

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 : 6802552.
• Dial number : JAPAN 7619-9010R AD.
• Glass : Acrylic.
• Case size : About 38.1mm.
• Lug width : 18mm.
• Band : Wrist size that can be worn is Up to about 192mm.

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.
• Overhaul service in July 2026.
  The movement has been cleaned and oiled, so it works fine.

Key Features

The Zenith of Mid-60s ""Deluxe"" Modernization (1966): In **1966**, during a golden era of soaring Showa industrial pride and rapid urban modernization, the **Seiko Sportsmatic 5 DX (Deluxe)** stood as a premier lifestyle icon for Japan's rising corporate class. While the standard ""Seiko 5"" redefined affordable mechanical reliability for the masses, the ""DX"" badge elevated the line into a higher luxury tier. Sourced from the **Suwa Seikosha** factory under reference **7619-9010**, this model was engineered for the fashionable gentleman who demanded enhanced decorative prestige alongside robust sporting durability.

The Over-Engineered 25-Jewel Caliber 7619 Heart: This watch is powered by the highly advanced **25-jewel Caliber 7619**, a premium automatic movement operating at a classic frequency of **18,000 vibrations per hour (vph)**. In **1966**, deploying a **25-jewel specification** for a lifestyle sports-dress watch was a massive statement of mechanical luxury. Utilizing extra synthetic rubies to eliminate gear-train friction and housing a **hacking seconds mechanism** for precise time synchronization, this caliber delivered elite stability that vastly outperformed mainstream entry-level automatics.

Architectural ""9010"" Fluted Bezel Case Geometry: The reference **7619-9010** is globally celebrated among vintage collectors for its distinctive, eye-catching continental flair. The stainless steel case is instantly recognizable by its magnificent, finely detailed **fluted bezel**, which dramatically catches and scatters light. Adhering to the early rules of the **""Grammar of Design,""** the case features bold, sweeping lugs and 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.

The Iconic 2 o'clock Quick-Set Push Button: One of the most famous engineering traits of the 7619-9010 is its playful yet practical **independent push-button located at the 2 o'clock position**. By simply depressing this dedicated spring-loaded button, the user could instantly advance the inner date disk forward by one day without interacting with the main crown. The dial houses a prominently 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 Landmark Cornerstone of Suwa's Lifestyle Luxury: Manufactured in the milestone year of **1966**, the 7619-9010 25-jewel variant remains one of the most highly sought-after, universally loved references for serious vintage Seiko enthusiasts worldwide. It represents the perfect historical intersection where rugged daily water-resistance (anchored by the famous **etched Dolphin insignia** on the case back) met striking geometric art-deco styling and high-jeweled complexity. It stands as a profound testament to an era when Japan perfected the high-utility lifestyle instrument to an uncompromised industrial standard.

For more information, please look at the pictures.

Notes

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