Vintage 1969 JAPAN SEIKO LORD MATIC CALENDAR 5605-7030 25Jewels Automatic.

Vintage 1969 JAPAN SEIKO LORD MATIC CALENDAR 5605-7030 25Jewels Automatic.

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

Item description

Movement :

• Pet name : 56 LORD-MATIC CALENDAR.
• Caliber number : 5605A.
• Movement : Automatic.
• Beat rate : 21600bph.
• Year of manufacture start : 1968's.
• Factory : Suwa.

Externals :

• Serial number : 939855.
• Dial number : JAPAN 5605-7010S.
• Glass : Acrylic.
• Case size : About 36.8mm.
• Lug width : 20mm.
• Band : New Leather Strap.

Condition :

• Used, it runs well.
• Quick set(Day/Date) : Okay.
  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 Purest Date-Only Expression of 1969 Lord Matic Luxury (1969): Manufactured in **1969**—a historic milestone year defined by Seiko's mechanical golden age and horological triumphs—the **Seiko Lord Matic Calendar** reference **5605-7030** represents a coveted, date-only executive reference from Suwa Seikosha. Positioned directly below the King Seiko family, this model was designed specifically for discerning collectors and professionals who preferred clean, date-only dial balance over the standard dual-calendar configuration.

The Refined 25-Jewel Caliber 5605 Automatic Engine: Powering this historic timepiece is the rare **25-jewel Caliber 5605**, the dedicated date-only variant of the iconic 56-series movement family. Operating at a smooth frequency of **21,600 vibrations per hour (vph)**, it features **hacking seconds**, quick-set date operation, and manual-winding capability. The elevated 25-jewel specification deployed synthetic rubies across gear-train pivots to minimize mechanical friction and ensure long-term daily stability.

Architectural ""7030"" Monocoque Case and Grammar of Design Lines: The reference **5605-7030** is distinguished by its front-loading **monocoque (one-piece) stainless steel case**, engineered without a traditional removable case back for enhanced rigidity and low-profile wrist presence. Adhering strictly to Taro Tanaka's **""Grammar of Design""** philosophy, the case showcases flat, zero-distortion mirror-polished Zaratsu facets, razor-sharp lug bevels, and sweeping geometric angles.

Immaculate Date-Only Dial Symmetry and Visual Balance: The dial of the **5605-7030** is a masterclass in late-1960s visual restraint. Set against a radiant silver sunburst canvas, it features **hand-applied, multifaceted rectangular block indices** with fine black center lines and razor-sharp hands. Free from day-window clutter, the neatly framed date aperture at 3 o'clock is perfectly balanced by the applied polished **""LM"" emblem** and Suwa factory insignia above 6 o'clock.

An Investment-Grade Masterpiece of Suwa's 56-Series Legacy: Produced during the pinnacle year of **1969**, the 5605-7030 25-jewel Lord Matic Calendar remains an uncommonly seen, highly respected cornerstone reference among serious vintage Seiko purists. Combining an uncompromising monocoque Grammar of Design case with the rare 5605 date-only caliber, it stands as an eternal testament to late-1960s Japanese horological design.

For more information, please look at the pictures.

Notes

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