Vintage 1973 JAPAN KING SEIKO CHRONOMETER CALENDAR 5625-7041 25Jewels Automatic.

Vintage 1973 JAPAN KING SEIKO CHRONOMETER CALENDAR 5625-7041 25Jewels Automatic.

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Item description

Movement :

• Pet name : 56 KING SEIKO CALENDAR.
• Caliber number : 5625A,B.
• Movement : Automatic.
• Beat rate : 28800bph.
• Year of manufacture start : 1968's.
• Factory : Suwa.

Externals :

• Serial No. : 327976.
• Dial No. : JAPAN 5625-7040T.
• Glass : Crystal.
• Case size : About 36.3mm.
• Lug width : 18mm.
• Band : New Leather Strap of SEIKO original.

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 Sovereign Peak of Officially Certified 1973 Luxury (1973): Manufactured in 1973—a landmark historical year during Japan's mature post-war economic boom—the King Seiko Chronometer Calendar reference 5625-7041 represented Suwa Seikosha's officially certified chronometer flagship. Bearing the prestigious ""Chronometer"" designation, this top-tier reference was subjected to rigorous internal testing to meet strict chronometric accuracy standards, standing shoulder-to-shoulder with Grand Seiko.
• The High-Performance High-Beat 25-Jewel Caliber 5625 Engine: Powering this landmark instrument is the celebrated 25-jewel Caliber 5625, an in-house automatic movement operating at a swift high-beat frequency of 28,800 vibrations per hour (8 beats per second). Specially regulated to chronometer standards, this caliber features hacking seconds, hand-winding capability, an integrated quick-set date calendar mechanism, and a lavish 25-jewel specification to minimize gear-train wear.
• Architectural ""7041"" Grammar of Design Monocoque Case: The reference 5625-7041 is globally distinguished among collectors for its textbook execution of Taro Tanaka's ""Grammar of Design"" principles applied to an evolved front-loading (monocoque) stainless steel case. Featuring razor-sharp angular facets, broad polished bevels, and zero-distortion Zaratsu mirror planes, the case is engineered to catch light with striking contrast while resting completely flat against the wrist.
• Masterful ""Chronometer"" Dial Harmony and Date Window Utility: The dial of the 5625-7041 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 is the quick-set date window, proudly offset by the applied metal ""KS"" logo alongside ""HI-BEAT"" and ""OFFICIALLY CERTIFIED CHRONOMETER"" typography above 6 o'clock.

For more information, please look at the pictures.

Notes

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