Vintage 1972 JAPAN SEIKO LORD MATIC WEEKDATER 5606-7190 23Jewels Automatic.
Welcome to my auction!
Item description
It's a SEIKO Automatic Watch, LORD MATIC WEEKDATER 5606-7190 23Jewels . It's in good used condition.
It's difficult to find this valuable watch in such a good condition.
Highly recommended for SEIKO collectors!
Movement :
Pet name : 56 LORD MATIC WEEKDATER .
Caliber No. : 5606A.
Movement : Automatic.
Beat rate : 21600bph.
Year of manufacture start : 1968's.
Factory : Suwa.
Externals :
Serial No. : 239777.
Dial No. : JAPAN 5606-7470T.
Glass : Crystal.
Case size : About 36.78mm.
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.
Overhaul service in October 2026. The movement has been cleaned and oiled, so it works fine.
Key Features
The Sovereign Peak of 1972 Executive Prestige (1972): Manufactured in 1972—a milestone historic year during Japan's peak post-war industrial era and the golden age of mechanical horology—the Seiko Lord Matic Weekdater represented the definitive standard of mid-century corporate luxury. Born from the prestigious Suwa Seikosha factory under reference 5606-7190, this flagship model sat directly below the King Seiko series, delivering high-grade mechanical refinement wrapped in forward-looking 1970s Showa-era styling.
The Over-Engineered 23-Jewel Caliber 5606 Automatic Heart: Powering this historic instrument is the revered 23-jewel Caliber 5606, an in-house automatic engine operating at a smooth frequency of 21,600 vibrations per hour (vph). Celebrated by vintage purists for its remarkably thin profile and daily stability, this movement features a 23-jewel specification to control gear-train friction. It incorporates modern executive conveniences including hacking seconds, quick-set dual calendar functionality, and smooth manual-winding capability.
Architectural "7190" Grammar of Design Case Geometry: The reference 5606-7190 is globally distinguished among vintage collectors for its striking, broad-shouldered case architecture. The solid stainless steel case features sharp, angular facets and sweeping lugs finished with zero-distortion mirror polishing inspired by Taro Tanaka's "Grammar of Design" guidelines. This low center-of-gravity engineering allows the watch to sit completely flush against the wrist, sliding weightlessly under a tailored executive shirt cuff.
Masterful "Weekdater" Dial Harmony and Bilingual Utility: The dial of the 5606-7190 is a study in 1970s visual balance, showcasing a radiant silver sunburst canvas paired with hand-applied, multifaceted hour indices and razor-sharp hands that catch light with high contrast. Positioned neatly at 3 o'clock, the dual-calendar window houses a bilingual (English/Kanji) day disk alongside a quick-set date wheel, perfectly anchored by the applied metal "LM" emblem and "23 JEWELS" text above 6 o'clock.
An Investment-Grade Masterpiece of Suwa's Automatic Heritage: Manufactured in the milestone mechanical year of 1972, the 5606-7190 23-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 Suwa Seikosha perfected high-utility automatic daily instruments right before the global watch industry shifted toward 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.
