★【Not available for immediate purchase】 This is a KS top-tier chronometer, the "56 series King Seiko Chronometer" model. As indicated by the "CHRONOMETER OFFICIALLY CERTIFIED" inscription on the dial, it is known as a historical model, being the first domestically produced automatic watch to receive "official chronometer certification." Currently, it is running with a daily rate of about 5 seconds, but it has the common 56 series issue where the day-date quickset function is not working. The oscillating lever needs repair. 【It was said to be repairable at a watch shop】 ※ Estimated repair cost: 2,000 - 3,000 yen It is equipped with the 8-beat high-beat 56 series movement made by Suwa Seikosha. It is a double calendar model with a small circulation, equipped with an external fine adjustment device. Even among vintage watches, it is a highly practical piece with a hand-winding function and hacking function. It is a masterpiece that allows you to fully enjoy the charm of antiques that are etched in the history of Japanese watches. SEIKO/AUTOMATIC/CHRONO METER KS/HI−BEAT/5626−7000【Automatic】 ◎Body: Genuine original / Medallion ◎Genuine original KS crown ◎Calendar (date) ◎Three-fold buckle ◎Case size: Approximately 34mm wide x 8mm thick 【Excluding crown】 ◎The bracelet has been changed to a SEIKO stainless steel bracelet 【At that time】 ◾️The bracelet is currently about 18cm and can be made about 1.5cm larger with 4 holes. ◾️Other company's bracelet (no extra links + case + bracelet wrist circumference maximum 19.5cm) ◾️The crystal glass has no noticeable scratches or dirt, and I think the condition is good considering its age. ◾️I think there are no noticeable scratches or damage on the back cover and bracelet. ◾️The dial and hands have almost no stains or dirt visually, and I think they are generally clean. 【Accessories】None 【Oil history】None 【Annual difference】Error not measured ・Because it is a used item, there may be fine scratches. ・Accuracy and water resistance cannot be guaranteed. ・This is a current listing on the premise of an overhaul. ・Please understand that sudden breakdowns or malfunctions may occur due to it being a used item, and please purchase with your understanding and agreement. ・Only the watch body will be shipped. ・The packaging will be simple, such as cushioning material. ・It will be shipped after simple disinfection and cleaning.