Official— Manufacturer documentation verified
What Battery Does Casio MDV-106 Use?
Battery
SR626SW
Silver Oxide Low Drain 1.55V
- Battery life
- ≈ ~3 years
- Voltage
- 3V
- Caliber
- 2784
Where to buy SR626SW
Affiliate links — prices unchanged for you, small commission to us.
Important: Diver-rated watch (200m). After DIY battery replacement, water resistance is not guaranteed — have it pressure-tested by a professional.
Compatible SR626SW Batteries
RenataMaxellSony MurataEnergizerVarta
All listed brands are direct equivalents. Always use Silver Oxide Low Drain 1.55V chemistry.
Other Names for SR626SW
SR626SW377D377V377AG4
See full cross-reference table How to Replace the Battery in Casio MDV-106
- Use a case back opener — MDV-106 has a screw-off case back
- Remove the case back carefully — maintain the water resistance gasket
- Remove old SR626SW battery
- Insert new SR626SW battery positive side up
- Replace the case back firmly — water resistance depends on proper sealing
Related Watch Models
Data verification
Battery information is based on manufacturer documentation where available and community-verified sources. If you notice an error or have official documentation for this model, please contact us to help improve this database.