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King Seiko 56KS Blue Gradient Ref. 5626-7110 One-Piece Case Manufactured in 1972 (Showa 47) Overhauled
1970年代から選ぶ 1972年製 56KS(自動巻き) SEIKO/セイコー SK-3029A アンティーク時計 キングセイコー セイコー 漢字カレンダーから選ぶ

King Seiko 56KS Blue Gradient Ref. 5626-7110 One-Piece Case Manufactured in 1972 (Showa 47) Overhauled

商品コード:000000008696-001
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Ships in 2–5 business days. Shipped from within Japan.

商品説明

King Seiko is positioned at the top of Seiko's lineup, alongside the high-end Grand Seiko.

This is a third-generation King Seiko, the 56KS, which is equipped with a high-beat 56-series movement.

The dial features a rare, genuine blue gradient dial. Its charm lies in the 1970s design, which allows you to enjoy vibrant color changes depending on the angle of the light.

The case is a one-piece case with an integrated case back, offering high airtightness and robustness.
Compared to the standard 56 King Seiko model, '5626-7000', this '5626-7110' has sharper edges and a smarter form with more tapered lugs.

The crown is engraved with 'KS', exclusive to King Seiko.

This is a recommended piece for those who want to enjoy the "deep blue" unique to antique watches with a reliable high-beat movement.

Condition

This watch has completed overhaul.

Exterior:
The case shows dents and signs of use commensurate with its age, and a slight tilt (bend) in the crown. However, there is no impediment to the original edges or texture of the case, or the operation of the KS crown. The case back engraving, characteristic of one-piece cases, remains clear.

Dial/Glass:
A slight bulge (protrusion) caused by the dial feet is visible on the outer edge of the dial at the 6 o'clock position, but it does not impair visibility with the naked eye. The gradation colors are beautifully preserved.
The glass is clear with no noticeable scratches.

Strap:
The watch has been fitted with a new (Seiko-made) cowhide strap. It pairs well with the blue dial, ensuring a pleasant experience from the moment you receive it.

As this is an old watch, it is not waterproof. Use in humid environments (rainy days, washing face, wearing on hot days when sweating, etc.) is strictly prohibited.
As it is a precision instrument, please be careful of drops, strong impacts, and exposure to magnetism (smartphones, PCs, magnets in bags, etc.).

How to Operate

Manual winding: Turn the crown upwards in the normal position

Time adjustment: Pull the crown out two clicks and turn it downwards

It has a hack function that stops the second hand when the crown is pulled out two clicks.

Quick date adjustment: Pull the crown out one click and turn it downwards
Quick day adjustment: Pull the crown out one click and turn it upwards (English and Japanese selectable)

Operating the quick adjustment when the watch is between '9 PM and 3 AM' may cause damage.
For quick adjustment, it is recommended to set the time to around 6 AM/PM first for safety.

Year of Manufacture July 1972 (Showa 47)
Model Number 5626-7110
Movement Automatic (with manual winding/High-beat)
Frequency: 28,800 beats per hour (8 beats/sec)
Hacking function (second hand stop mechanism)
Date/Day (Japanese/English) display
Date quick-set function (crown at first click, rotate downwards)
Day quick-set function (crown at first click, rotate upwards)
Material Stainless steel (monocoque case)
Mineral glass
Dimensions Diameter: 36.2mm (excluding crown)
Thickness: 10.0mm
Strap New Seiko cowhide leather strap 18mm (black)
Overhaul Performed in April 2026
Condition

Non-waterproof

[Case] Small scratches remain that could not be removed by polishing. Edges are in good condition.
[Crown] Genuine KS. Has some dings and a slight tilt (bend), but operates smoothly.
[Caseback] Some scuffs and linear scratches. KS engraving is clear.
[Glass] Beautiful with no noticeable scratches (flat glass design).
[Dial] Slight bulging (dial foot push-through) on the outer edge at the 6 o'clock position. Otherwise, some tiny spots are visible, but the color gradient is well-preserved.
[Hands] Slight dullness
Accessories None
Includes our 100-day store warranty

Shipping Charges

Free domestic shipping within Japan on orders over 10,000 yen

Free International Shipping Not Available / No International Shipping

当店は海外への発送には対応しておりません。日本国内のみの発送となります。
We do not ship internationally. We only ship within Japan.

Tax-Free Not Available / Non-Tax-Free

Our store is not a tax-free shop, both in-person and online. All items are sold at the displayed price (tax included).

Tax-free shopping is not available at our store (both physical and online). All items are sold at the displayed price including tax.

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