Vintage 1974 JAPAN SEIKO LORD MATIC WEEKDATER 5606-7192 25Jewels Automatic.

Vintage 1974 JAPAN SEIKO LORD MATIC WEEKDATER 5606-7192 25Jewels Automatic.

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

Item description

Movement :

• Pet name : 56 LORD MATIC WEEKDATER .
• Caliber number : 5606A.
• Movement : Automatic.
• Beat rate : 21600bph.
• Year of manufacture start : 1968's.
• Factory : Suwa.

Externals :

• Serial number : 449212.
• Dial number : JAPAN 5606-7670S.
• Glass : Crystal.
• Case size : About 36.8mm.
• Lug width : 18mm.
• Band : New Leather Strap.

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 Mid-70s Executive Utility (1974): Manufactured in **1974**—a pivotal historical year during Suwa Seikosha's mechanical refinement era—the **Seiko Lord Matic Weekdater** reference **5606-7192** served as a cornerstone of executive daily-wear luxury. Positioned directly below the King Seiko range, this mid-1970s reference delivered high-utility dual-calendar functionality wrapped in forward-looking Showa-era industrial design.

The Over-Engineered 25-Jewel Caliber 5606 Automatic Engine: Powering this historic timepiece is the elevated **25-jewel Caliber 5606**, an in-house automatic movement operating at a smooth frequency of **21,600 vibrations per hour (vph)**. Renowned among collectors for its ultra-thin architectural profile and long-term daily accuracy, this 25-jewel iteration incorporates essential executive conveniences including **hacking seconds**, quick-set dual-calendar operation, and smooth manual-winding capability.

Architectural ""7192"" Sharp-Faceted Case Geometry: Sourced in a solid stainless steel case, the reference **5606-7192** is globally distinguished for its angular, broad-shouldered case architecture. Engineered strictly according to Taro Tanaka's **""Grammar of Design""** philosophy, the case features flat, zero-distortion Zaratsu-polished planes, razor-sharp lug bevels, and a low center of gravity that rests flush against the wrist.

Masterful Dual-Calendar Dial Harmony and Bilingual Utility: The dial of the **5606-7192** showcases exceptional visual balance, featuring a radiant silver sunburst background decorated with **hand-applied, multifaceted rectangular block indices** and razor-sharp hands. Positioned symmetrically 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 **""LM"" emblem** above 6 o'clock.

An Investment-Grade Masterpiece of Suwa's 56LM Heritage: Manufactured in the milestone mechanical year of **1974**, the 5606-7192 25-jewel Lord Matic Weekdater remains an uncommonly seen, universally respected cornerstone reference for vintage Seiko purists. It stands as an eternal testament to mid-1970s Japanese horological design, capturing the precise peak of accessible executive automatic watchmaking.

For more information, please look at the pictures.

Notes

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