--- product_id: 229690351 title: "Renata 10 Renata Watch Batteries: 379 (Sr521Sw)" brand: "quzo" price: "72.57 DT" currency: TND in_stock: true reviews_count: 13 category: "Quzo" url: https://www.desertcart.tn/products/229690351-renata-10-renata-watch-batteries-379-sr521sw store_origin: TN region: Tunisia --- # 1.55V stable power Long-lasting battery life Swiss precision quality Renata 10 Renata Watch Batteries: 379 (Sr521Sw) **Brand:** quzo **Price:** 72.57 DT **Availability:** ✅ In Stock ## Summary > ⏱️ Power your time with Swiss precision—because every second counts! ## Quick Answers - **What is this?** Renata 10 Renata Watch Batteries: 379 (Sr521Sw) by quzo - **How much does it cost?** 72.57 DT with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.tn](https://www.desertcart.tn/products/229690351-renata-10-renata-watch-batteries-379-sr521sw) ## Best For - quzo enthusiasts ## Why This Product - Trusted quzo brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Value Pack of 10:** Bulk buying means you’re always ready with spares—never miss a beat or a meeting. - • **Reliable Swiss Power:** Trusted Renata brand ensures consistent 1.55V output for flawless watch performance. - • **Lightweight & Compact:** At just 5 grams each, these batteries keep your watch sleek and comfortable all day. - • **Precision Fit & Marked:** Clearly labeled batteries for easy identification and perfect compatibility with your watch. - • **Highly Rated & Reviewed:** 4.7 stars from 924 users prove these batteries deliver quality and peace of mind. ## Overview The Renata 379 (SR521SW) watch batteries deliver reliable 1.55V power with Swiss-made precision, ensuring long-lasting and consistent performance. This pack of 10 lightweight, clearly marked batteries offers excellent value and compatibility for a wide range of watches, backed by outstanding user ratings and trusted quality. ## Description 10 x Renata Watch Batteries: 379 (Sr521SW) Review: Cheap and works fine - Good products cheaper than going to the a retailer to have watch battery changed Review: ⭐️⭐️⭐️⭐️⭐️ Excellent Quality – Reliable Swiss Watch Batteries - I’ve used Renata watch batteries for years and these 379 (SR521SW) cells fully live up to their reputation. They’re Swiss-made, high quality, and provide consistent, long-lasting power. I fitted one to my watch and it started instantly, keeping perfect time with no issues. The pack of 10 is excellent value, especially compared to buying single batteries locally. Each battery arrived well packaged and clearly marked, so there’s no confusion when storing spares. If you want dependable, genuine watch batteries from a trusted brand, you really can’t go wrong with Renata. Highly recommended. ## Features - 10 x Renata Watch Batteries: 379 (Sr521SW) ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B00U37DXBI | | Amperage | 3 Amps | | Antenna Location | Watch | | Battery Capacity | 1000 | | Battery Cell Type | Other Than Listed | | Battery Weight | 15 Grams | | Battery capacity | 1000 | | Battery cell composition | Other Than Listed | | Best Sellers Rank | 18,146 in Fashion ( See Top 100 in Fashion ) 45 in Watch Batteries | | Brand | Quzo | | Brand Name | Quzo | | Compatible Phone Models | Watch Battery | | Customer Reviews | 4.7 out of 5 stars 924 Reviews | | Item Type Name | Batteries | | Item Weight | 5 Grams | | Manufacturer | Renata | | Model Name | 379 | | Model Number | RENATA379_10 | | Number of Batteries | 10 Product Specific batteries required. | | Number of batteries | 10 Product Specific batteries required. | | Recommended uses for product | Watch | | Reusability | Single Use | | UPC | 784922109590 | | Unit Count | 10.0 count | | Unit count | 10.0 count | | Voltage | 1.55 Volts | ## Product Details - **Battery capacity:** 1000 - **Battery cell composition:** Silver Oxide - **Brand:** Best Price Square - **Number of batteries:** 10 Product Specific batteries required. - **Recommended uses for product:** Watch ## Images ![Renata 10 Renata Watch Batteries: 379 (Sr521Sw) - Image 1](https://m.media-amazon.com/images/I/61Yc1o1ndgL.jpg) ![Renata 10 Renata Watch Batteries: 379 (Sr521Sw) - Image 2](https://m.media-amazon.com/images/I/61UfBp3Uf3L.jpg) ![Renata 10 Renata Watch Batteries: 379 (Sr521Sw) - Image 3](https://m.media-amazon.com/images/I/21ev3obweZL.jpg) ## Customer Reviews ### ⭐⭐⭐⭐⭐ Cheap and works fine *by S***S on 4 June 2026* Good products cheaper than going to the a retailer to have watch battery changed ### ⭐⭐⭐⭐⭐ ⭐️⭐️⭐️⭐️⭐️ Excellent Quality – Reliable Swiss Watch Batteries *by W***T on 18 December 2025* I’ve used Renata watch batteries for years and these 379 (SR521SW) cells fully live up to their reputation. They’re Swiss-made, high quality, and provide consistent, long-lasting power. I fitted one to my watch and it started instantly, keeping perfect time with no issues. The pack of 10 is excellent value, especially compared to buying single batteries locally. Each battery arrived well packaged and clearly marked, so there’s no confusion when storing spares. If you want dependable, genuine watch batteries from a trusted brand, you really can’t go wrong with Renata. Highly recommended. ### ⭐⭐⭐⭐⭐ Good quality for the price asked. *by J***. on 30 January 2026* Well priced and good quality watch batteries, very happy with my purchase. I would recommend A+++ ## Frequently Bought Together - Renata 10 Renata Watch Batteries: 379 (Sr521Sw) - Renata 364 SR621SW Watch Battery Pack of 10 Silver Oxide - 10 x 377 Renata Watch Batteries --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.tn/products/229690351-renata-10-renata-watch-batteries-379-sr521sw](https://www.desertcart.tn/products/229690351-renata-10-renata-watch-batteries-379-sr521sw) --- *Product available on Desertcart Tunisia* *Store origin: TN* *Last updated: 2026-08-17*