1980s Session Mens Watch Vintage Analog Wristwatch Battery Powered

Vintage "SEIKO SESSION 5E-31-5A20" manufactured in 1988.
This is a rare model with a clean design without the 'SESSION' sub-name and sapphire glass used in high-end models.
It is a model that can be used for a long time because high-performance annual difference quartz and sapphire glass are generously invested.
The dial is white with elegant fine diagonal checks.
The dial size is 1.02 x 1.33 inches.
The maximum wrist size is 6.30 inches.
Operation has been confirmed and cleaned, and the battery was replaced in December 2025.
There are no noticeable scratches or dirt, and it is in very good condition.
It may appear brighter than the actual color.
It is a used item.

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