Vintage 1963 JAPAN SEIKO SEIKOMATIC J13044E 20Jewels Automatic.

Vintage 1963 JAPAN SEIKO SEIKOMATIC J13044E 20Jewels Automatic.

Welcome to my auction!

Item description

Movement :

• Pet name : SEIKOMATIC .
• Caliber number : 603.
• Movement : Automatic.
• Beat rate : 18000bph.
• Year of manufacture start : 1960's.
• Factory : Suwa.

Externals :

• Serial No. : 3512633.
• Dial No. : JAPAN MADE MAJ13H331AD.
• Glass : Acrylic.
• Case size : About 36mm.
• Lug width : 18mm.
• Band : New Leather Strap.

Condition :

• Used, it runs well.
• 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 Sovereign Dawn of Early-60s Automatic Flagships (1963): Manufactured in 1963—a historic pre-Olympic milestone year during Japan's rapid economic ascendancy—the Seiko Seikomatic reference J13044E stands as one of Suwa Seikosha's foundational luxury automatic dress creations. Representing the premier era of self-winding refinement, this early pre-case-number reference established the seamless, crownless dress aesthetic that defined executive Showa-era horology.
• The Proven 20-Jewel Caliber 603 Automatic Heart: Powering this historic instrument is the revered 20-jewel Caliber 603 (Seikomatic base), an in-house automatic engine operating at a steady frequency of 18,000 vibrations per hour (vph). Designed exclusively as an automatic movement without provisions for manual hand-winding, it relies on Seiko's highly efficient Magic Lever bi-directional winding system and Diashock shock protection, utilizing an upgraded 20-jewel specification to minimize friction across the train.
• Architectural ""J13044E"" Flush-Crown Case Profile: Executed in a solid stainless steel case (Water 30 Proof specification), the reference J13044E features classic early-1960s elongated, sweeping lugs with elegant mirrored chamfers. Designed to emphasize its purely automatic nature, the case completely conceals a flush-recessed crown at 4 o'clock, creating an uninterrupted, symmetrical circular silhouette that slips effortlessly under a formal shirt cuff.
• Masterful Pure-Time Dial Harmony and Fluted Chapter Track: The dial of the J13044E is a masterclass in clean mid-century visual balance, featuring a radiant silver sunburst canvas framed by a distinctive recessed or fluted outer minute track. Unbroken by date apertures, it is adorned with hand-applied, multifaceted rectangular block indices, razor-sharp dauphine hands, cursive ""Seikomatic"" script, and the iconic Suwa Seikosha swirl insignia above 6 o'clock.
• The Sovereign Etched Case Back Medallion Heritage: The backplate of this 1963 treasure features Seiko's iconic early waterproof case back engraving (often adorned with the classic early Seiko spinning top / swirl crest or crane insignia). Certifying its factory waterproof construction and historical pedigree, the J13044E 20-jewel Seikomatic remains an indispensable, highly coveted cornerstone reference for serious vintage Seiko collectors worldwide.

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.