Vintage 1966 JAPAN SEIKO SKYLINER CALENDAR 6222-8000 21Jewels Hand-winding.

Vintage 1966 JAPAN SEIKO SKYLINER CALENDAR 6222-8000 21Jewels Hand-winding.

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

Item description

Movement :

• Pet name : SKYLINER CALENDAR .
• Caliber number : 6222A,B.
• Movement : Hand-winding.
• Beat rate : 18000bph.
• Year of manufacture start : 1963's.
• Factory : Suwa.

Externals :

• Serial number : 6309220.
• Dial number : JAPAN 6222-8000S AD.
• Glass : Acrylic.
• Case size : About 37.7mm.
• Lug width : 18mm.
• Band : New Leather Strap.

Condition :

• Used, it runs well.
• Set the date: Iteration the hour hand at 9:00 and 12:00
• 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 Sovereign Benchmark of Mid-60s Manual Executive Elegance (1966): Manufactured in **1966**—a landmark historical year defined by Japan's rapid post-war economic boom and horological ascendancy—the **Seiko Skyliner Calendar** stood as Suwa Seikosha's definitive statement in sleek, date-equipped manual-wind luxury. Sourced under reference **6222-8000**, this mid-1960s dress timepiece was engineered for discerning executives who favored refined, ultra-thin mechanical purity paired with daily calendar functionality.

The Ultra-Slim 21-Jewel Caliber 6222 Hand-Winding Heart: Powering this historic instrument is the revered **21-jewel Caliber 6222A**, an in-house manual-wind movement operating at a steady frequency of **18,000 vibrations per hour (vph)**. Highly celebrated by vintage purists for its remarkably thin architectural profile and robust gear-train construction, this **21-jewel specification** minimized mechanical friction while incorporating Seiko's **Diashock** anti-shock architecture for dependable daily reliability.

Architectural ""8000"" Slim Case Geometry and Sharp Facets: The reference **6222-8000** is globally distinguished among vintage collectors for its classic, broad-shouldered stainless steel case architecture. Featuring sharp, multifaceted lugs and sweeping polished bevels designed according to Taro Tanaka's early **""Grammar of Design""** guidelines, the low-profile case sits remarkably flat and balanced against the wrist, sliding weightlessly under a tailored shirt cuff.

Immaculate Date-Only Dial Harmony and Sunburst Radiance: The dial of the **6222-8000** is a masterclass in mid-century visual restraint and high-contrast legibility. Free from day-window clutter, it showcases a radiant silver sunburst canvas decorated with **hand-applied, multifaceted rectangular hour indices** paired with sharp dauphine hands. Symmetrically framed at 3 o'clock, the date calendar window provides instant legibility, proudly signed with the cursive **""Seiko Skyliner Calendar""** logo above 12 o'clock.

An Investment-Grade Masterpiece of Suwa's Manual Legacy: Manufactured in the milestone horological year of **1966**, the 6222-8000 21-jewel Skyliner Calendar remains an extraordinarily popular, universally respected cornerstone reference for serious vintage Seiko collectors worldwide. It captures the exact historical moment where Suwa Seikosha perfected ultra-thin manual dress instruments right before the industry pivoted toward high-beat and quartz technology. Built to an uncompromising heirloom standard, it stands as an eternal testament to mid-1960s Japanese horological design.

For more information, please look at the pictures.

Notes

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