Seiko S240 Movement Details
Seiko calibre S240 is a digital watch movement. Production was in the 1990s.
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Sub-brands: | Pulse Meter |
Battery: | CR2025 / (Lithium) |
Accuracy: | ±20 seconds/month |
Day / date? | Day + date |
GMT / world time? | No |
Chronograph? | Yes |
Alarm? | Yes |
Rate: | 32,768 Hz |
Size / diameter: | 32.0mm |
Height: | 6.8mm |
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. |
PDF guides: |
Battery replacement guide
: S240A
Technical guide |