Rare Seiko Sportsmatic Calendar 820 17 Jewels Automatic Working

SEIKO Sportsmatic Calender
Seiko Sportsmatic Calendar 820 17 Jewels Automatic

Showa Vintage
Please judge the condition of the exterior from the images.
The date does not change when the crown is pulled out one click. It changes when the crown is turned to adjust the time.
Currently, operation has been confirmed, but
the history of overhaul is unknown, so
please consider it for maintenance.

[About Sportsmatic Calendar 820]
Manufactured around 1965
Equipped with Cal.7625A, calendar function
Koma mark indicating automatic winding and 820 notation at the 12 o'clock position
The dial is based on a silver color,
with upright bar indexes and
dolphin hands, a simple configuration,
a design typical of Seiko.

Wrist size is adjustable.

Accessories...No accessories included

Rare item
Scarce
Vintage
Vintage