Serviced Vintage 1966 JAPAN SEIKO SPORTSMATIC5 6619-8190 21Jewels Automatic.

Vintage 1966 JAPAN SEIKO SPORTSMATIC5 6619-8190 21Jewels Automatic.

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

Item description

Movement :

• Pet name : SPORTSMATIC5 .
• Caliber No. : 6619A.
• Movement : Automatic.
• Beat rate : 18000bph.
• Year of manufacture start : 1964's.
• Factory : Suwa.

Externals :

• Serial No. : 6N03708.
• Dial No. : JAPAN 6619-8240T AD.
• Glass : Acrylic.
• Case size : About 36.17mm.
• Lug width : 18mm.
• Band : New Leather Strap.

Condition :

• Used, it runs well.
• Quick set(Day) : Okay.
  Set the day of the week : Engrish 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 October 2026.
  The movement has been cleaned and oiled, so it works fine.

Key Features

• The Foundational Pioneer of the Iconic Seiko 5 Legacy (1966): Manufactured in 1966—a defining historical year during Japan's mid-Showa industrial expansion—the Seiko Sportsmatic 5 reference 6619-8190 stands as an essential early forefather of the world-famous ""Seiko 5"" lineage. Produced by Suwa Seikosha, this mid-1960s reference embodied the core five attributes: automatic winding, a dual day-date display, water resistance, a hidden recessed crown, and a ruggedly stylish stainless steel case built for active daily wear.
• The Reliable 21-Jewel Caliber 6619 Automatic Engine: Powering this historic timepiece is the celebrated 21-jewel Caliber 6619A, an in-house automatic workhorse operating at a steady frequency of 18,000 vibrations per hour (vph). Famous among vintage collectors for pioneering Seiko's push-to-set calendar feature, depressing the primary crown inward directly advances the date wheel with crisp tactile response. The movement incorporates Seiko's Diashock protection system and a 21-jewel specification to ensure long-term mechanical reliability.
• Architectural ""8190"" Stainless Steel Case and Rec recessed Crown: Sourced in a solid stainless steel case, the reference 6619-8190 is globally recognized among vintage watch purists for its clean, versatile dress-sports proportions. Engineered with a flush, recessed crown hidden at 4 o'clock, the case maintains an uninterrupted, highly ergonomic silhouette that sits completely flush against the wrist.
• Masterful Mid-Century Dial Balance and Period Typography: The dial of the 6619-8190 showcases exceptional 1960s visual harmony, decorated with hand-applied, multifaceted hour indices and sharp dauphine hands. Symmetrically framed at 3 o'clock, the dual-calendar window presents the day and date wheels, proudly accompanied by the applied metal ""5"" shield logo, the elegant ""Seiko Sportsmatic"" script, and vintage ""WATERPROOF"" dial branding above 6 o'clock.
• The Sovereign Dolphin Case Back Medallion Heritage: The ultimate hallmark of this 1966 vintage treasure sits stamped on the case back: the iconic Seiko Dolphin crest (or deeply etched waterproof dolphin medallion). Certifying its factory-regulated water resistance and athletic durability, the 6619-8190 Sportsmatic 5 remains an indispensable, highly collectible cornerstone reference representing the golden dawn of Japanese automatic horology.

For more information, please look at the pictures.

Notes

• Before buying.
  The vintage watches we sell are inspected and adjusted so they work fine. However, since it is an vintage watch, Please purchase on the assumption that it will be repaired.
  
  
• To prevent shipping accidents.
  Please monitor the tracking number until the item arrives and if it stagnates, please investigate at your country post office. Also, please confirm the item when you receive the item.
  
  
• About import taxes.
  Taxes such as import duties and VAT are not included in the item price or shipping charges, except for items shipped to the US. When you purchase, you will likely be required to pay these fees in your country.
  
  
• About Payment, Shipping, Return.
  Payment, Shipping, Return are in accordance with eBay's business policies.