---
product_id: 49132592
title: "1 X Renata 379 Mercury Free 1.55 Volt Watch Battery Replaces SR521SW"
brand: "renata"
price: "฿298"
currency: THB
in_stock: true
url: https://www.desertcart.co.th/products/49132592-1-x-renata-379-mercury-free-1-55-volt-watch
store_origin: TH
region: Thailand
---

# 16.0mAh long-lasting capacity 1.55V stable power 5.8mm compact diameter 1 X Renata 379 Mercury Free 1.55 Volt Watch Battery Replaces SR521SW

**Brand:** renata
**Price:** ฿298
**Availability:** ✅ In Stock

## Summary

> ⏳ Power your moments with precision and eco-friendly energy!

## Quick Answers

- **What is this?** 1 X Renata 379 Mercury Free 1.55 Volt Watch Battery Replaces SR521SW by renata
- **How much does it cost?** ฿298 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.co.th](https://www.desertcart.co.th/products/49132592-1-x-renata-379-mercury-free-1-55-volt-watch)

## Best For

- renata enthusiasts

## Why This Product

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

## Key Features

- • **Precision Fit:** 5.8mm diameter and 2.1mm height for seamless replacement
- • **Reliable Voltage:** Consistent 1.55V output keeps your watch ticking flawlessly
- • **Mercury-Free Power:** Eco-conscious energy for your timepiece
- • **Long-Lasting Capacity:** 16.0mAh ensures extended battery life without frequent swaps
- • **Trusted Renata Quality:** Swiss-engineered performance trusted by professionals

## Overview

The Renata 379 is a mercury-free, silver oxide button cell battery delivering a stable 1.55V and 16.0mAh capacity. Its compact 5.8mm diameter and 2.1mm height make it an exact replacement for SR521SW, ensuring reliable, long-lasting performance for your watch with trusted Swiss quality.

## Description

1 X Renata 379 Mercury Free 1.55 Volt Watch Battery Replaces SR521SW

## Features

- 379 Silver Oxide Button Cell
- Battery Capacity 16.0mAh
- Battery Technology Silver Oxide (Single Use)
- Diameter 5.8mm , Height 2.1mm
- Voltage 1.55V

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Package Dimensions L x W x H | 10.6 x 5.6 x 2 centimetres |
| Package Weight | 0.02 Kilograms |
| Product Dimensions L x W x H | 10 x 10 x 10 millimetres |
| Item Weight | 9 g |
| Brand | Renata |
| Part number | PR\CL2198 |
| Guaranteed software updates until | unknown |

## Product Details

- **Number of batteries:** 1 LR44 batteries required.
- **Brand:** Renata
- **Battery cell composition:** Other Than Listed
- **Battery capacity:** 16 Milliampere Hour (mAh)
- **Recommended uses for product:** Watch

## Images

![1 X Renata 379 Mercury Free 1.55 Volt Watch Battery Replaces SR521SW - Image 1](https://m.media-amazon.com/images/I/71b4aLZe+DL.jpg)

## Frequently Bought Together

- Renata Silver Oxide Watch Battery For 379 Button Cell
- 2 Renata 377 SR626SW Silver Oxide Zero Mercury Electronic Batteries
- 2 Renata 364 SR621SW Silver Oxide Zero Mercury Electronic Batteries

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**Shop now:** [https://www.desertcart.co.th/products/49132592-1-x-renata-379-mercury-free-1-55-volt-watch](https://www.desertcart.co.th/products/49132592-1-x-renata-379-mercury-free-1-55-volt-watch)

---

*Product available on Desertcart Thailand*
*Store origin: TH*
*Last updated: 2026-02-24*