Serviced Vintage 1967 JAPAN SEIKO SPORTSMATIC5 6619-8120 21Jewels Automatic.

Serviced Vintage 1967 JAPAN SEIKO SPORTSMATIC5 6619-8120 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 : 7202958.
• Dial number : JAPAN 6619-8090R AD.
• Glass : Acrylic.
• Case size : About 36.4mm.
• Lug width : 19mm.
• Band : New Leather Strap.

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

Key Features

The Foundational Pioneer of the Iconic Seiko 5 Legacy (1967): Manufactured in **1967**—a landmark year in Japanese horological history during the height of Japan's post-war economic boom—the **Seiko Sportsmatic 5** reference **6619-8120** stands as a foundational forefather of the world-famous ""Seiko 5"" lineup. Born from the prestigious **Suwa Seikosha** factory, this late-1960s model embodied the core 5 attributes: automatic winding, day-date display in a single window, water resistance, a recessed crown at 4 o'clock, and a durable case built for everyday sports-casual lifestyle.

The Reliable 21-Jewel Caliber 6619 Automatic Heart: Powering this historic timepiece is the celebrated **21-jewel Caliber 6619A**, an in-house automatic engine operating at a steady frequency of **18,000 vibrations per hour (vph)**. Famous among vintage collectors for introducing one of Seiko's earliest push-to-set date mechanisms, pressing the crown inward directly advances the date wheel with crisp tactile feedback. The movement incorporates Seiko's **Diashock** anti-shock system and a **21-jewel specification** across gear-train pivots for long-term daily stability.

Architectural ""8120"" Classic Stainless Case and Recessed Crown: The reference **6619-8120** is globally recognized among vintage purists for its textbook mid-century dress-sports geometry. Sourced in a solid stainless steel case, it features sweeping, polished lugs and a smooth bezel profile. Engineered with a **flush, recessed crown hidden at 4 o'clock**, the case maintains an uninterrupted, streamlined circular silhouette that sits completely flat against the wrist.

Immaculate ""Sportsmatic 5"" Sunburst Dial and Applied Accents: The dial of the **6619-8120** displays a radiant silver sunburst canvas decorated with **hand-applied, multifaceted rectangular hour indices** and sharp hands. Symmetrically framed at 3 o'clock, the dual calendar window houses the day and date wheels, proudly adorned with the applied metal **""5"" shield logo**, the applied **""Seiko Sportsmatic""** script, and early **""WATERPROOF""** dial typography above 6 o'clock.

The Sovereign Dolphin Case Back Medallion Heritage: The ultimate hallmark of this 1967 vintage treasure sits stamped on the case back: the iconic **Seiko Dolphin medallion** (or deeply etched dolphin/waterproof crest). Certifying its factory-certified water resistance and athletic daily durability, the 6619-8120 Sportsmatic 5 remains an indispensable, highly collectible cornerstone reference representing the golden era of mid-1960s Japanese horology.

For more information, please look at the pictures.

Notes

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