Renata 394 (SR936SW) — Long-Lasting Power for Larger Analog Watches

The Renata 394 (SR936SW) is a low-drain silver-oxide button cell designed for larger analog watches and specialty timing devices. Measuring about 9.5 mm in diameter and 3.6 mm in height, it offers increased capacity while maintaining a steady 1.55 V output for accurate timekeeping.

Core Specifications

• Chemistry: Silver-oxide, mercury-free
• Nominal Voltage: 1.55 V
• Dimensions: ~9.5 mm × 3.6 mm
• Drain Profile: Low-drain (SW)
• Compliance: RoHS, mercury-free

Advantages

1. Extended runtime due to larger capacity
2. Stable voltage for consistent accuracy
3. Leak-resistant design
4. Low self-discharge for storage
5. Swiss precision manufacturing

Applications

• Larger analog watches
• Desk clocks
• Specialty timing equipment

Installation Tips

• Ensure SR936SW match before installing
• Handle with non-metal tools
• Inspect and replace gaskets if needed
• Confirm polarity

Conclusion

The Renata 394 (SR936SW) is a dependable, high-capacity option for powering larger analog watches and devices that require steady, long-lasting power.