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Renata 364 SR621SW Batteries - 1.55V Silver Oxide 364 Watch Battery (2 Count)

TLDR Review: Renata 364 Watch Batteries

By ShopSavvy Team

Published: June 9th, 2026

Pros

•Offers good value for the price
•Provides reliable and affordable battery performance
•Fits various watches well, ensuring a good fit
•Easy to install with common jewelry tools
•Battery quality is consistent and performs reliably
•Watch functions properly and runs smoothly after installation
•Durable and lonasting performance
•Useriendly and simple to operate
•The product performs as expected for its intended purpose
•The sleek and simple design adds to its aesthetic appeal

Cons

•No specific information on battery life or durability over time
•Pack may be hanut from larger blister packs, so expiration dates are unclear
•Limited details on how long the batteries last before needing replacement
•Some reviews did not mention longevity, leaving uncertainty on overall durability

Bottom Line

The Renata 364 SR621SW Batteries offer solid value and reliable performance for everyday watch needs. While details on long-term durability are scarce, users generally report that they work as intended and are easy to replace. If you're looking for a dependable, budget-friendly option for your watch batteries, this product is a good choice. However, if longevity is a top priority, you might want to consider alternatives with more detailed lifespan data.

How we researched this

About this review: We pulled together findings from professional reviews and hundreds of user reviews, and cross-referenced them with ShopSavvy's pricing data from 3 retailers to give you the short version.

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