Seiko S501 Movement Details
Seiko caliber S501 is a digital watch movement produced in the 1980s.
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|Battery:||BR2325 / (Lithium)|
|Day / date?||Day + date|
|Development division:||Suwa (Nagano)|
|Notes:||Has a memo function. Referred to as a "wrist terminal", watches with this movement came with cables and software to transfer data to a computer.|
|PDF guides:||Battery reset guide|