[Rare] King Seiko Superior Chronometer 5626-7000 One-Piece Case KS Medallion Automatic Overhauled Manufactured in 1969

This is a 56 King Seiko Superior Chronometer manufactured in 1969.

The 56 King Seiko Chronometer was the first domestically produced automatic watch to receive 'Official Chronometer Certification'.
Due to this official certification, the dial was officially marked 'CHRONOMETER OFFICIALLY CERTIFIED' as a chronometer of international standard.

This is a rare model with 'SUPERIOR' (meaning high quality or superior) and 'CHRONOMETER OFFICIALLY CERTIFIED' (officially certified chronometer) on the dial.
It is an early and rare example among the 5626-7000 series.

The dial has a sunburst finish, creating an elegant luster that changes with the direction of the light.

The case features a one-piece case design with an integrated case back, and the case back has a golden KS medallion.

The crown is engraved with 'KS', exclusive to King Seiko.
The movement is a high-beat specification with 28,800 vibrations per hour (8 beats), and includes a date and day display.

This watch is recommended for those looking for a simple and elegant antique watch.
It is also recommended for those seeking an example with a well-preserved golden KS medallion on the case back, as this one is in beautiful condition.

How to Operate

Manual Winding: Turn the crown upwards in the normal position.

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

The second hand stops when the crown is pulled out two clicks.

Date Quick Set: Pull the crown out one click and turn it downwards.
Day Quick Set: Pull the crown out one click and turn it upwards (changes in the order of Japanese → English → Japanese).

Operating the quick set function when the watch is indicating between '9 PM and 2 AM' may cause damage.
When performing a quick set, it is recommended to adjust the time to around 6 o'clock first.

Condition

This watch has undergone overhaul and exterior finishing by our store.

The band has been replaced with a new (genuine) one, ensuring a pleasant wearing experience.

The crown is original with the KS mark.
The crown operates smoothly.

The dial is clean with no noticeable scratches or dirt.
The crystal has been replaced with a new (matching) one, has no noticeable scratches, and provides excellent legibility of the dial.
The medallion on the case back has only minor deterioration around the edge, but otherwise shows no significant deterioration and is in beautiful condition.

Due to its age, this watch is not waterproof.
Please avoid wearing it on rainy or hot days.
Also, please be careful of impacts and magnetic fields.