Seiko S240 Movement Details
Seiko caliber S240 is a digital watch movement. Production was in the 1990s.
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|Battery:||CR2025 / (Lithium)|
|Day / date?||Day + date|
|GMT / world time?||No|
|Size / diameter:||32.0mm|
|Development division:||Daini (Kameido, Tokyo, Japan)|
|Notes:||Has a pulse sensor to measure pulse rate from 30 to 210 beats per minute, as well as physical exercise intensity.|
Battery replacement guide