king seiko 5626 7000 hi beat
King Seiko
5626-7000

Hi-Beat Chronometer

Automatic, Japan 1974. Sharp Taro Tanaka case lines, faint tropical dial.

$2,150
Available

A high-beat King Seiko from the final mechanical generation before quartz. The 5626-7000 pairs the sharp Grammar of Design case with a chronometer-grade 28,800 bph movement - a refined, understated alternative to Grand Seiko.

At a glance

Reference
5626-7000
Year
1974
Movement / Caliber
Cal. 5626A Automatic
Case Size
37 mm (width)
Lug Width
19 mm
Functions
Day/Date · Hi-Beat 28,800 bph
Market
Japan (JDM)
Serial / Date
4xxxxx · 1974
Case Reference
5626-7000 (caseback)
Crystal
Hardlex
Bracelet
Aftermarket leather strap
Bracelet Sizing
Fits approx. 16–20 cm wrist
Water Resistance
Not specified
Other
Chronometer dial · KS medallion caseback
Dial
Appears original. Faint tropical toning, no major blemishes.
Hands
Believed original. Minor aging to luminous material.
Case
Sharp original lines. Light wear consistent with age, no heavy polishing visible.
Crystal
Hardlex. Originality not independently verified. Light surface marks.
Caseback
Original KS medallion, clear and legible.
Crown
Signed crown, appears original, operates smoothly.
Bracelet / Strap
Aftermarket leather strap, not original to the watch.
Replacement / Restored Components
Strap replaced. No other known replacement or restored components.
Overall Condition
Very good vintage condition.

HOW WE ASSESS

Condition, originality, function and service history are assessed from our inspection and the information available to us. Where something cannot be independently verified, we say so.

Latest finds

Not every watch is worth collecting. We seek out the ones that are.

The King Seiko 5626-7000 belongs to the 56KS family, the final generation of King Seiko’s mechanical watches before the quartz era. Its case follows the Grammar of Design introduced by Taro Tanaka – flat, mirror-polished surfaces, sharp edges and distortion-free reflections that set King Seiko apart from everyday models.

Inside is the 5626A automatic movement, beating at 28,800 vibrations per hour with day-date complication. As a Hi-Beat Chronometer, it was adjusted to a higher standard of accuracy than regular production and was a direct rival to Grand Seiko at the time.

This example shows a softly tropical dial and case lines that remain crisp, making it a strong entry point into King Seiko collecting.

Group 57 (1)

Found there. Collected here.

Japan's watchmaking history extends far beyond the familiar names and celebrated references. We search across Japan for watches with character, history and a reason to be collected—from recognized classics to remarkable pieces that have been overlooked along the way.

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