Vintage 1964 JAPAN SEIKO MATIC WEEKDATER J13080 33Jewels Automatic.

Vintage 1964 JAPAN SEIKO MATIC WEEKDATER J13080 33Jewels Automatic.Welcome to my auction!I am Japanese who live in Tokyo. Item description It's a SEIKO Automatic Watch, MATIC WEEKDATER J13080 33Jewels . 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 : MATIC WEEKDATER .Caliber number : 400.Movement : Automatic.Beat rate : 18000bph.Year of manufacture start : 1963's.Factory : Suwa.Externals : Serial number : 4213748.Dial number : JAPAN MAWJ13H333AD.Glass : Acrylic.Case size : About 37.2mm.Lug width : 19mm.Band : New Leather Strap of SEIKO original.Condition : Used, it runs well.Quick set(Day/Date) : Okay. Set the day of the week : English only.Set of the date : The set at one stage pulling the crown. Set of the week : Iteration the hour hand at 9:00 to 1:00.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 Genesis of Olympic-Era Automatic Luxury (1964): In **1964**—a historic milestone year defined by the Tokyo Olympics and Japan's grand debut onto the global industrial stage—the **Seiko Matic Weekdater** stood as the ultimate executive instrument. Carrying reference **J13080**, this legendary model was produced by the **Suwa Seikosha** factory as the foundational pioneer of high-jewel multi-calendar luxury. Explicitly designed for the nation's rising business elite, it captured the intense national pride and engineering optimism of the early Showa economic miracle. The Over-Engineered 33-Jewel Early Automatic Masterpiece: This historic watch is powered by a magnificent **33-jewel automatic movement** (the direct predecessor to the iconic 62-series). In **1964**, deploying a **33-jewel specification**—proudly celebrated by the applied **""33"" badge** or stylized typography on the dial—represented a massive breakthrough in mechanical micro-engineering. Utilizing a lavish count of synthetic rubies to secure the gear-train pivots and minimize auto-winding friction, this caliber laid the technical groundwork for the first automatic Grand Seiko lines. Architectural ""J13080"" Bold Recessed Crown Case Geometry: The reference **J13080** is globally celebrated among vintage purists for its substantial, commanding dress proportions. The solid stainless steel case features thick, muscular geometric facets and robust lugs finished with zero-distortion mirror polishing. Adhering to early functional layout guidelines, it houses a **completely recessed time-setting crown at 4 o'clock**—visual proof that manual winding was fully obsolete due to the high efficiency of its internal automatic weight system. Immaculate Independent Weekdater Layout and Purity: The dial of the **J13080** is a study in mid-century dimensional art, showcasing a radiant silver sunburst canvas. It features a highly advanced, luxurious **separated dual-calendar layout**: a framed date window at 3 o'clock and a wide, completely independent **horizontal day-of-the-week aperture located symmetrically above 6 o'clock**. Decorated with hand-applied, multifaceted chunky block indices, this balanced layout prioritized instant split-second legibility for high-stakes corporate environments. The Sovereign Pride of the Golden Dolphin Legacy: Manufactured in the milestone mechanical year of **1964**, the J13080 33-jewel variant remains one of the most highly coveted, investment-grade cornerstone references for serious vintage Seiko enthusiasts worldwide. The ultimate hallmark of its premium internal pedigree sits on the case back: a **magnificent, crisply detailed Dolphin emblem**, which historically certified its rugged daily durability. It stands as a profound testament to an era when Suwa perfected the luxury automatic daily instrument to an eternal, heirloom standard. 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.

It's a SEIKO Automatic Watch, MATIC WEEKDATER J13080 33Jewels .
It's in good uséd condition.
It's difficult to find this valuable watch in such a good condition. Highly recommended for SEIKO collectors!