> CASING
Stainless steel
SEIKO | O531-0010
> CALIBRE
> WATER RESIST
> ORIGINAL PRICE
> BRACELET NO.
FUNCTIONS >
O531
WATER RESIST
N/A
[SS]
> INFO
RELEASED | 1976
Very early Seiko, the time is changed by pulling the crown out,clicking upwards to select digit, then clicking down to change. Also has the 'pie chart segments to indicate the seconds.
SEIKOS WITH O531
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