Vintage 1973 JAPAN SEIKO LORD MATIC SPECIAL WEEKDATER 5206-6090 23J Automatic.

Vintage 1973 JAPAN SEIKO LORD MATIC SPECIAL WEEKDATER 5206-6090 23Jewels Automatic.

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

Item description

Movement :

• Pet name : 52 LORD MATIC SPECIAL WEEKDATER.
• Caliber number : 5206A.
• Movement : Automatic.
• Beat rate : 28800bph.
• Year of manufacture start : 1970's.
• Factory : Kameido.

Externals :

• Serial No. : 311742.
• Dial No. : JAPAN 5206-6090R.
• Glass : Crystal.
• Case size : About 36mm.
• Lug width : 17mm.
• Band : New Leather Strap of SEIKO original.

Condition :

• Used, it runs well.
• Quick set(Day/Date) : Okay.
  Set the day of the week can be in English or Kanji.
  Set of the date : The set at one stage pulling the crown.
• 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 Peak of 1973 High-Beat Executive Luxury (1973): Manufactured in 1973—a landmark historical year during Japan's mature post-war economic boom and peak mechanical watchmaking era—the Seiko Lord Matic Special Weekdater reference 5206-6090 represented Daini Seikosha's top-tier, high-beat evolution of the Lord Matic series. Bearing the elite ""Special"" designation, this flagship reference bridged the gap between executive dress models and King Seiko standards, delivering superior chronometric accuracy and movement finishing.
• The Legendary High-Beat 23-Jewel Caliber 5206 Automatic Heart: Powering this rare mechanical instrument is the celebrated 23-jewel Caliber 5206A, an advanced in-house high-beat movement operating at 28,800 vibrations per hour (8 beats per second). Revered by vintage purists as one of the finest automatic movements ever designed by Daini (and the direct mechanical ancestor to modern Grand Seiko 4S movements), it features instant day/date midnight changeover, quick-set dual calendar control, hacking seconds, and manual-winding capability.
• Architectural ""6090"" Grammar of Design Case Geometry: The reference 5206-6090 is globally distinguished among vintage Seiko collectors for its crisp execution of Taro Tanaka's ""Grammar of Design"" principles. Executed in solid stainless steel, the case features razor-sharp angular facets, broad sweeping lugs, and zero-distortion mirror-polished Zaratsu planes that capture light with extreme contrast while allowing the low-profile case to rest completely flat against the wrist.
• Masterful ""Special"" Dial Harmony and Bilingual Utility: The dial of the 5206-6090 showcases exemplary mid-1970s visual balance, featuring a radiant sunburst canvas decorated with hand-applied, multifaceted rectangular block indices and sharp dauphine hands. Symmetrically framed at 3 o'clock, the dual-calendar window houses a bilingual (English/Kanji) day disk alongside a quick-set date wheel, offset by the applied metal ""LM"" emblem and stylized ""Special"" script above 6 o'clock.
• An Investment-Grade Masterpiece of Daini's High-Beat Heritage: Manufactured in the milestone mechanical year of 1973, the 5206-6090 23-jewel Lord Matic Special Weekdater stands as an exceptionally desirable, highly collectible cornerstone reference for serious vintage Seiko enthusiasts. Combining Daini Seikosha's peak high-beat caliber technology with timeless Showa-era executive styling, it remains an irreplaceable piece of Japanese horological history.

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.