Community verified— Verified from trusted watchmaker & collector sources
What Battery Does Rotary GS05092 Use?
Battery
SR621SW
Silver Oxide Low Drain 1.55V
- Battery life
- ≈ ~60 months
- Voltage
- 3V
- Caliber
- Ronda 705
Where to buy SR621SW
Affiliate links — prices unchanged for you, small commission to us.
Important: Ronda 705 is a reliable Swiss movement with up to 60 months battery life — longer than most Japanese equivalents.
Compatible SR621SW Batteries
Renata 364Maxell SR621SWSony MurataEnergizer 364
All listed brands are direct equivalents. Always use Silver Oxide Low Drain 1.55V chemistry.
Other Names for SR621SW
SR621SW364V364SB-AG
See full cross-reference table How to Replace the Battery in Rotary GS05092
- Professional replacement recommended
- SW (Low Drain) type only
- Ronda movements are reliable but sensitive to battery chemistry
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.