Murata 379 SR 521 SW Silver Oxide Coin Cell Battery – Watch Battery (Made in Japan)

The Murata 379 SR 521 SW Coin Cell Battery is a high-performance silver oxide watch battery, manufactured in Japan for unmatched reliability and precision.
Designed for wristwatches and small electronic devices, it delivers stable voltage output, long-lasting performance, and leak-resistant safety — ensuring your watch keeps perfect time.

✅ Features:

• Model: Murata 379 / SR521SW

• Type: Silver Oxide Coin Cell Battery

• Voltage: 1.55V

• Made in Japan – trusted Murata quality

• Perfect for: wristwatches, medical devices, calculators, and small electronics

• Stable discharge performance for consistent accuracy

• Mercury-free and leak-resistant construction

• Long shelf life and dependable storage

Murata — Japan’s leading brand in micro battery technology, known for quality and long-lasting power.