Vintage 1972 JAPAN SEIKO LORD MATIC SPECIAL WEEKDATER 5206-6130 25J Automatic.

Vintage 1972 JAPAN SEIKO LORD MATIC SPECIAL WEEKDATER 5206-6130 25Jewels 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 number : 202982.
• Dial number : JAPAN 5206-6150S.
• Glass : Crystal.
• Case size : About 36.02mm.
• Lug width : 18mm.
• Band : Wrist size that can be worn is Up to about 189mm.

Condition :

• Used, it runs well.
• Quick set(Day/Date) : Okay.
  Day of the week can be set 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 Apex of 1972 Kameido Executive Luxury (1972): Manufactured in **1972**—a milestone historical year during Japan's peak post-war industrial expansion and golden era of mechanical horology—the **Seiko Lord Matic Special (LM Special)** represented the absolute pinnacle of Daini Seikosha's executive lineup. Sourced under reference **5206-6130**, this elite ""Special"" variant sat directly beneath the King Seiko line, combining near-chronometer-grade mechanical sophistication with sharp, forward-looking 1970s Showa-era styling.

The Legendary High-Beat 25-Jewel Caliber 5206 Heart: Powering this historic timepiece is the revered **25-jewel Caliber 5206A**, an in-house automatic movement operating at a swift high-beat frequency of **28,800 vibrations per hour (8 beats per second)**. Highly celebrated by collectors for sharing its micro-engineering architecture with 52KS King Seiko models, this **25-jewel engine** features **hacking seconds**, smooth manual-winding capability, and a rare **instantaneous day-date change mechanism** that snaps precisely at midnight.

Architectural ""6130"" Angular Case Geometry and Facets: The reference **5206-6130** is globally distinguished among vintage purists for its distinct, muscular case architecture. The solid stainless steel case features sharp, multifaceted angles and broad-shouldered lugs finished with zero-distortion mirror polishing inspired by Taro Tanaka's **""Grammar of Design""** guidelines. This low center-of-gravity engineering allows the mechanical instrument to sit completely flush against the wrist, sliding effortlessly under a tailored executive shirt cuff.

Immaculate Dual-Calendar Dial Harmony and Rich Detailing: The dial of the **5206-6130** is a masterclass in early-1970s visual balance, showcasing a radiant canvas decorated with **hand-applied, multifaceted hour indices** and razor-sharp hands that catch light with high contrast. Symmetrically framed at 3 o'clock, the dual-calendar window houses a **bilingual (English/Kanji) day disk** alongside a quick-set date configuration, proudly signed with the applied **""LM Special"" logo** and Daini lightning bolt emblem above 6 o'clock.

An Investment-Grade Masterpiece of Daini's Mechanical Legacy: Manufactured in the milestone mechanical year of **1972**, the 5206-6130 25-jewel Lord Matic Weekdater remains a highly coveted, universally respected cornerstone reference for serious vintage Seiko collectors worldwide. It captures the exact historical moment where Daini Seikosha perfected high-beat automatic daily instruments right before the global industry shifted into quartz technology. Built to an uncompromising heirloom standard, it stands as an eternal testament to 1970s Japanese horological design.

For more information, please look at the pictures.

Notes

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