SEIKO KING SEIKO SUPERIOR CHRONOMETER
[Sei King Coe superior chronometer] (ユーズド product)
Production 1969 (Showa 44)
Specifications 25 stone self-winding watch Cal, 4502 temp 10 vibration
Crocodile leather belt made by stainless steel case SEIKO
Size approximately 36 millimeters in width
It is a rolling by hand model of Sei King Coe.
A product these by 10 vibration high beat movements
It is the domestic first "chronometer formula official approval pass article".
There is not the big pain, and the clockface is fairly beautiful.
The case is fairly clean in the whole, too.
There is some hurt to the KS medal of the camera back.
I am overhauled, but the precision at the time does not appear because it is old.
Approve the degree for difference around one minute on a day.
A security period is three months.
There are not the accessories including the case; only for the body hand it.