Vintage 1972 JAPAN KING SEIKO WEEKDATER 5626-7111 25Jewels Automatic.

Vintage 1972 JAPAN KING SEIKO WEEKDATER 5626-7111 25Jewels Automatic.

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

Item description

Movement :

• Pet name : 56 KING SEIKO WEEKDATER .
• Caliber number : 5626A,B.
• Movement : Automatic.
• Beat rate : 28800bph.
• Year of manufacture start : 1968's.
• Factory : Suwa.

Externals :

• Serial number : 280050.
• Dial number : JAPAN 5626-7110R.
• Glass : Crystal.
• Case size : About 36.5mm.
• Lug width : 18mm.
• Band : New Leather Strap of SEIKO original.

Condition :

• Used, it runs well.
• Quick set(Day/Date) : Okay.
  Set the day of the week can be in English or Japanese.
  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 1972 Executive Luxury (1972): Manufactured in 1972—a landmark historical year during Japan's peak post-war industrial supremacy—the King Seiko Weekdater reference 5626-7111 represented Suwa Seikosha's definitive high-beat executive flagship. Positioned alongside Grand Seiko, this reference embodied the absolute pinnacle of luxury daily mechanical watchmaking for corporate leaders during the late Showa era.
• The High-Performance High-Beat 25-Jewel Caliber 5626 Engine: Powering this landmark instrument is the celebrated 25-jewel Caliber 5626, an in-house automatic movement operating at a swift high-beat frequency of 28,800 vibrations per hour (8 beats per second). Celebrated by vintage purists for its exceptional chronometric rate stability, this caliber features hacking seconds, hand-winding capability, an integrated dual calendar quick-set mechanism, and a lavish 25-jewel specification.
• Architectural ""7111"" Grammar of Design Case Geometry: The reference 5626-7111 is globally distinguished among collectors for its textbook execution of Taro Tanaka's ""Grammar of Design"" principles. Executed in solid stainless steel, the case features razor-sharp angular facets, broad polished bevels, and zero-distortion Zaratsu mirror planes engineered to catch light from every angle while resting completely flat against the wrist.
• Masterful Dial Harmony and Bilingual Dual Calendar: The dial of the 5626-7111 displays clinical mid-century visual balance, featuring a radiant silver sunburst canvas decorated with hand-applied, multifaceted rectangular block indices and sharp dauphine hands. Symmetrically framed at 3 o'clock, the dual-calendar window houses a bilingual (English/Kanji) day disk alongside the date wheel, proudly offset by the applied metal ""KS"" logo and ""HI-BEAT"" typography above 6 o'clock.

For more information, please look at the pictures.

Notes

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