Used Working item SEIKO Octagon Men's Day-Date 80s Vintage Old 903

This is a used item. Working item SEIKO Octagon Men's Day-Date 80s Vintage Old 903 SEIKO 6433-5020 Working item Day Date Octagon 80s

SEIKO SQ Vintage Quartz Watch Ref. 6433-5020 Day-Date Octagonal Watch 80s Vintage Old SEIKO Japan Vintage Archive

This is a vintage quartz watch from SEIKO.

Model number:

6433-5020 Serial:

1N0637 This model is estimated to have been manufactured around November 1981.

A classic piece that combines an octagonal case with impressive straight lines and a silver dial.

The dial has the inscription "SEIKO QUARTZ" and has a day-date function that displays the day of the week and date at the 3 o'clock position.

Compact boys to men's size with a case size of approximately 2.8cm.

With a retro design reminiscent of the 80's, it is also recommended for those who like 80's Vintage, old SEIKO, and archive styles.

[Function] ・Quartz ・Day date display ・Day-date fast forwarding confirmed by crown

[Condition] This is a working item.

Dirt and aging can be seen inside the dial.

The case and belt also have scuffs, scratches, dirt, etc. due to use and storage. Please check the photos carefully for the condition.

The belt is an aftermarket product.

[Size] Case:

approx. 2.8cm x 2.8cm Belt:

Free size Current arm circumference:

Approximately 15cm

*Please note that there may be some errors due to amateur measurements.

[Accessories] Watch body only

*This is a working product, but long-term accuracy (daily difference/position difference) has not been confirmed.It will be delivered as is.Please purchase only if you understand the characteristics of vintage watches.

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