*This is a working item, but the operating time has not been measured.

■ Condition of scratches and dirt
Crystal: Minor
Case back: Clean
Bezel: Clean
Strap: New aftermarket part
Calendar: Quick-set not possible

Overall Background: King Seiko and the 56KS Series
King Seiko (KS) was launched in 1961 as a high-end line of Seiko, positioned below Grand Seiko.

KS has multiple series, with automatic models becoming mainstream in the later period. In particular, the "56KS (56 Series)" often refers to a group of automatic models manufactured by Suwa Seikosha from 1968 onwards.

The 56KS series was manufactured from around 1968 to 1975 and includes high-beat (high-frequency specification) models.

During this period, there was technological competition within Seiko between the Suwa factory and the Daini factory (Otsu/Kameido), with quality and performance improvements in KS and GS mutually stimulating each other.

The KS series is generally considered to have ended production in 1975.

5626 Series and the "-7111" Model Factor
Positioning of the Caliber 5626 Series

"5626" is a group of movement numbers for KS automatic high-beat mechanisms.

In the 56 series, specifications such as the presence of day and date displays, or non-date models, vary depending on the end of the movement number (e.g., 5626-7XXX).

Furthermore, even within the same case series, design changes and minor specification modifications were made depending on the latter part of the model number (-7000 series, -7040, -7110/-7111, etc.).

For example, one text describes the 5626-7000 series as the early model, followed by the appearance of the 5626-7110 series around 1971 with revised case and dial designs.

Specifications and Features of the 5626-7111
The following are the specifications and features of the 5626-7111, as understood from publicly available listing information, reviews, and materials:

Item | Content
------- | --------
Model Name | King Seiko 5626-7111
Movement | Multiple listings indicate Cal. 5626A (automatic, high-beat specification).
Case Material | Many listings indicate stainless steel (based on examples).
Year of Manufacture | Listings show years such as 1970, 1972, and 1973.
Dimensions, etc. | Listing information states "Steel 36 mm," with a case diameter of 36mm being common.
Design Tendency | There are descriptions stating that the 5626-7111 inherits the lineage of the early 5626-7000 series while incorporating more refined design changes. For instance, the aforementioned "A pair of kings" description compares it as a "slightly evolved design" compared to the 5626-7000.
Display Specifications | The term "high-beat" is indicated. Some examples also mention day/date display (day-date mechanism) (refer to listing information).
Market Status | It is listed on multiple online marketplaces and has a history of transactions among vintage KS collectors.

Context of Model Evolution and Placement

The article "A pair of kings" positions the 5626-7111 as "slightly evolved" compared to the 5626-7000 (early model).

Additionally, models like the 5626-7113 exist in the later period of the KS automatic high-beat series, allowing us to understand the 5626-7111 as one of the specification variation models around that time, or as a mid-period model.

There are also discussions suggesting that KS's design philosophy of "grammar of design" was adopted from the late 1960s to the early 1970s, and a style emphasizing the contrast between flat surfaces and sharp edges was widely reflected in the KS automatic model group. The 5626 series is also considered to have a design that followed this trend.

After KS itself ceased production of mechanical models in 1975, the KS brand temporarily disappeared, but there have been movements such as limited reissues in later years.