---
product_id: 248680577
title: "379 Battery SR521SW 1.55V Silver Oxide Watch Button Cell (10 Batteries)"
brand: "murata"
price: "¥2054"
currency: JPY
in_stock: true
reviews_count: 13
url: https://www.desertcart.jp/products/248680577-379-battery-sr521sw-1-55v-silver-oxide-watch-button-cell
store_origin: JP
region: Japan
---

# 16mAh Capacity 1.55V Power Japanese Quality 379 Battery SR521SW 1.55V Silver Oxide Watch Button Cell (10 Batteries)

**Brand:** murata
**Price:** ¥2054
**Availability:** ✅ In Stock

## Summary

> 🔋 Power Up Your Timepiece with Murata's Excellence!

## Quick Answers

- **What is this?** 379 Battery SR521SW 1.55V Silver Oxide Watch Button Cell (10 Batteries) by murata
- **How much does it cost?** ¥2054 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.jp](https://www.desertcart.jp/products/248680577-379-battery-sr521sw-1-55v-silver-oxide-watch-button-cell)

## Best For

- murata enthusiasts

## Why This Product

- Trusted murata brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Bulk Savings:** Get 10 batteries in one pack—never run out when you need them most!
- • **Eco-Friendly Choice:** Silver oxide technology means less waste and more efficiency.
- • **Unmatched Reliability:** Experience the enduring power of Murata's Japanese craftsmanship.
- • **Versatile Compatibility:** Perfect for watches and other small electronics, keeping you connected.
- • **Long-Lasting Performance:** 16mAh capacity ensures your devices run longer without interruptions.

## Overview

The Murata 379 SR521SW is a high-performance 1.55V silver oxide watch battery, featuring a 16mAh capacity. This pack of 10 batteries ensures you have a reliable power source for your watches and small electronics, all backed by the trusted quality of Japanese manufacturing.

## Description

Murata379 Battery SR521SW 1.55V Silver Oxide Watch Button Cell (10 Batteries)

## Features

- Murata 379 SR521SW 1.55V Silver Oxide Button Cell Watch Battery, 16mAh
- Murata exemplifies the long tradition of creating Japanese quality micro batteries with high performance and reliability

## Images

![379 Battery SR521SW 1.55V Silver Oxide Watch Button Cell (10 Batteries) - Image 1](https://m.media-amazon.com/images/I/810DzQfxzYL.jpg)

## Available Options

This product comes in different **Size** options.

## Customer Reviews

### ⭐⭐⭐⭐⭐ 5.0 out of 5 stars







  
  
    Works well.
  

*by M***Y on Reviewed in the United States on January 6, 2024*

Batteries fit properly.

### ⭐⭐⭐⭐⭐ 5.0 out of 5 stars







  
  
    On time delivery and overall Quality
  

*by T***L on Reviewed in the United States on July 1, 2022*

The Murata Batteries are high quality and  in the past they have given me long life.  These were a bargain price on Amazon.  They bought back a family heirloom to life

### ⭐⭐⭐⭐ 4.0 out of 5 stars







  
  
    Battery
  

*by J***R on Reviewed in the United States on January 8, 2024*

The battery is nice, but all these batteries are not longer than other. Price was the final decision maker for me.

---

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**Shop now:** [https://www.desertcart.jp/products/248680577-379-battery-sr521sw-1-55v-silver-oxide-watch-button-cell](https://www.desertcart.jp/products/248680577-379-battery-sr521sw-1-55v-silver-oxide-watch-button-cell)

---

*Product available on Desertcart Japan*
*Store origin: JP*
*Last updated: 2026-07-14*