Serviced Vintage 1963 JAPAN SEIKO SPORTSMATIC J13058 17Jewels Automatic.

Vintage 1963 JAPAN SEIKO SPORTSMATIC J13058 17Jewels Automatic.

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Item description

Movement :

• Pet name : SPORTSMATIC .
• Caliber No. : 2451.
• Movement : Automatic.
• Beat rate : 18000bph.
• Year of manufacture start : 1961's.
• Factory : Suwa.

Externals :

• Serial No. : 3103217.
• Dial No. : JAPAN SMAJ13H308ED.
• Glass : Acrylic.
• Case size : About 36.2mm.
• 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.
• Overhaul service in September 2026.
  The movement has been cleaned and oiled, so it works fine.

Key Features

• The Inaugural Dawn of Seiko's Sportsmatic Lineage (1963): Manufactured in 1963—a historic year preceding the 1964 Tokyo Olympics—the Seiko Sportsmatic reference J13058 represents the foundational genesis of Suwa Seikosha's sports-executive automatics. Predating the standardized 4-digit case numbering system and the launch of the Seiko 5 family, this pre-Grammar of Design classic established the blueprint for accessible, high-durability automatic wristwatches in post-war Japan.
• The Workhorse 17-Jewel Caliber 290 (Seikomatic) Engine: Powering this historic timepiece is the robust 17-jewel Caliber 290 (later integrated into the 76 series family), operating at a steady frequency of 18,000 vibrations per hour (vph). Built specifically for everyday operational reliability, this automatic movement incorporates Seiko's proprietary Diashock anti-shock mechanism and efficient Magic Lever winding system to maintain stable timekeeping under active daily wear.
• Architectural "J13058" Classic Case and Recessed Crown Integration: Sourced in a solid stainless steel case, the reference J13058 features sweeping, full-bodied lugs with subtle polished bevels and a low-profile bezel architecture. Designed with the signature early recessed crown tucked flush at 4 o'clock, the case achieves a completely smooth, crownless outer profile that prevents wrist bite and glides easily under shirt cuffs.
• Immaculate Time-Only/Date Dial Harmony and Mid-Century Restraint: The dial of the J13058 is an exercise in early-1960s visual purity, featuring a radiant silver sunburst background set with hand-applied, multifaceted rectangular indices and razor-edged dauphine hands. The clean dial layout is anchored by the classic script "Sportsmatic" logo and 17 Jewels designation above 6 o'clock, flanked by the distinct Suwa factory insignia.
• The Sovereign Engraved Dolphin Case Back Crest Heritage: The ultimate mark of authenticity rests on the case back: the deeply etched Seiko Dolphin crest, historically certifying its factory-regulated precision and water-resistant case construction. As a rare pre-1964 transition reference, the 1963 J13058 Sportsmatic stands as an essential, investment-grade cornerstone reference for collectors tracing the roots of Seiko's modern sports-automatic legacy.

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.
  
  
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