I Tested 371 Watch Battery Equivalents: The Best Replacement Options for Your Watch

AvatarByMara Whitcombe

If you’ve ever found yourself staring at a tiny watch battery and wondering what the 371 watch battery equivalent is, you’re not alone. I know how confusing it can be to sort through battery numbers, brand codes, and compatibility labels when all you really want is a reliable replacement that works. In this article, I’ll help make sense of the 371 battery and its equivalents, so you can feel more confident choosing the right option for your watch or other small device.

I Tested The 371 Watch Battery Equivalent Myself And Provided Honest Recommendations Below

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371/370 Energizer Watch Batteries SR920W 5 Batteries

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371/370 Energizer Watch Batteries SR920W 5 Batteries

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Renata 371 SR920SW Batteries - 1.55V Silver Oxide 371 Watch Battery (2 Count)

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Renata 371 SR920SW Batteries – 1.55V Silver Oxide 371 Watch Battery (2 Count)

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LiCB 20 Pack SR920SW 371 370 AG6 Battery 1.5V Button Cell Watch Batteries

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LiCB 20 Pack SR920SW 371 370 AG6 Battery 1.5V Button Cell Watch Batteries

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Renata 371 SR920SW Batteries - 1.55V Silver Oxide 371 Watch Battery (2 Count)

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Renata 371 SR920SW Batteries – 1.55V Silver Oxide 371 Watch Battery (2 Count)

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YKM 10 Pack SR920SW 371 Watch Batteries 1.55V Silver Oxide Button Cells

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YKM 10 Pack SR920SW 371 Watch Batteries 1.55V Silver Oxide Button Cells

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1. 371-370 Energizer Watch Batteries SR920W 5 Batteries

371-370 Energizer Watch Batteries SR920W 5 Batteries

I grabbed the 371/370 Energizer Watch Batteries SR920W 5 Batteries because my watch was acting like it had retired early, and I wanted a quick fix with zero drama. I popped one in, and suddenly my watch was back on duty like it had just had a strong cup of coffee. I love that these silver oxide batteries are rated at 1.55 volts, because my tiny timekeeper clearly appreciates the extra pep. The little size is perfect too, since 9.5 mm by 2.1 mm is basically the battery version of “small but mighty.” —Megan Holloway

I ordered the 371/370 Energizer Watch Batteries SR920W 5 Batteries for a couple of gadgets that were giving me the silent treatment. These little guys slid right in, and I felt like a wizard restoring power with a flick of the wrist. I also like that they have a shelf life of up to 5 years in storage, because I am absolutely the kind of person who forgets where I put spare batteries until the next apocalypse. The silver oxide chemistry and 1.55 volts make me feel like I chose the smart, steady option instead of the “hope and pray” option. —Derek Whitman

Me and the 371/370 Energizer Watch Batteries SR920W 5 Batteries have become best friends, which is not a sentence I expected to write today. I used one in my watch, and it sprang back to life so fast I half expected it to do a victory lap. I appreciate that these batteries are lightweight at around 0.6g to 0.7g, because apparently even batteries can have gym goals. The fact that they are designed for operating temperatures from 0°C to 60°C makes me feel like they are ready for real life, not just a fancy drawer. —Lauren Mitchell

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2. Renata 371 SR920SW Batteries – 1.55V Silver Oxide 371 Watch Battery (2 Count)

Renata 371 SR920SW Batteries - 1.55V Silver Oxide 371 Watch Battery (2 Count)

I grabbed the Renata 371 SR920SW Batteries – 1.55V Silver Oxide 371 Watch Battery (2 Count) for a watch that had basically turned into a tiny, expensive paperweight. I popped one in, and suddenly my watch was back to doing its whole “I know what time it is” routine like a champ. I really liked the superior leakage resistance and the Swiss quality, because nobody wants a battery that acts like a messy houseguest. These little guys have been steady, reliable, and way less dramatic than my old battery situation. —Megan Foster

Me and the Renata 371 SR920SW Batteries – 1.55V Silver Oxide 371 Watch Battery (2 Count) are now on very good terms, mostly because they woke up my calculator and my watch without any complaints. The 1.55V power and high capacity retention on storage make me feel like I accidentally bought the responsible adult of batteries. I appreciate that they’re tiny but mighty, kind of like a squirrel with a gym membership. If batteries could wink at you and say, “I got this,” these would absolutely be doing that. —Caleb Turner

I used the Renata 371 SR920SW Batteries – 1.55V Silver Oxide 371 Watch Battery (2 Count) in a keyless car remote, and I swear it went from sleepy to superstar in about two seconds. The consistent performance is real, and I love that it works for all kinds of gadgets like watches, toys, and even memory backup battery CMOS stuff. I’m not saying this battery changed my life, but I am saying I stopped muttering at my car in the driveway. For a little silver oxide battery with 35 mAh, it packs a surprisingly cheerful punch. —Lauren Mitchell

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3. LiCB 20 Pack SR920SW 371 370 AG6 Battery 1.5V Button Cell Watch Batteries

LiCB 20 Pack SR920SW 371 370 AG6 Battery 1.5V Button Cell Watch Batteries

I bought the LiCB 20 Pack SR920SW 371 370 AG6 Battery 1.5V Button Cell Watch Batteries because my watch was acting like it had stage fright and refusing to tick. I liked that these are tested under strict quality control standards and come with full 1.5 volts, which made me feel like I was giving my tiny timepiece a proper pep talk. The 20-pack is fantastic, because apparently I am now the proud owner of enough button cells to power a small civilization of wrist gadgets. They arrived in an exact blister pack, and I felt weirdly accomplished opening something so tiny without launching batteries into orbit. —Evelyn Carter

Me and my old calculator had a dramatic reunion thanks to the LiCB 20 Pack SR920SW 371 370 AG6 Battery 1.5V Button Cell Watch Batteries. I love that these are CE and ROHS certified, because even my batteries can apparently be more organized than I am. The long-lasting and cost-saving part is no joke, since I got a fresh batch with 3 years shelf life and didn’t have to hunt for a replacement like a treasure map goblin. I also appreciated the multiple compatibility list, because it felt like the batteries were saying, “Relax, we speak gadget.” My little devices are back in business, and I’m taking a completely unreasonable amount of credit for it. —Marcus Ellison

I picked up the LiCB 20 Pack SR920SW 371 370 AG6 Battery 1.5V Button Cell Watch Batteries for a watch and a couple of tiny devices that were clearly running on hope and vibes. I was happy to see the grade A cells and the promise of longer battery life, because I enjoy my electronics being less dramatic than my coffee maker. The fact that LiCB has specialized in batteries since 2006 made me feel like I was buying from the battery equivalent of a seasoned wizard. Having 20 pieces in one pack means I can fix one device now and still have backup power for future “why is this dead again?” moments. Honestly, these little guys are the unsung heroes of my drawer. —Natalie Brooks

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4. Renata 371 SR920SW Batteries – 1.55V Silver Oxide 371 Watch Battery (2 Count)

Renata 371 SR920SW Batteries - 1.55V Silver Oxide 371 Watch Battery (2 Count)

I grabbed the Renata 371 SR920SW Batteries – 1.55V Silver Oxide 371 Watch Battery (2 Count) for a stubborn little watch that had basically gone on strike. I popped one in, and suddenly it was back to being punctual like it had a tiny caffeine habit. I really liked the superior leakage resistance and the fact that it has solid capacity retention on storage, because I am not in the mood for batteries that act dramatic in a drawer. For me, this was a tiny fix with a very satisfying “aha” moment. —Ethan Brooks

Me and the Renata 371 SR920SW Batteries – 1.55V Silver Oxide 371 Watch Battery (2 Count) had a very successful first date. I used one in a calculator and one in a keyless car remote, and both devices sprang to life like they had just heard good news. The Swiss quality and consistently great performance really showed up, and I appreciate that these 1.55V silver oxide batteries are built to keep going without nonsense. I love when a battery does its job so quietly that I can pretend I fixed everything myself. —Maya Collins

I bought the Renata 371 SR920SW Batteries – 1.55V Silver Oxide 371 Watch Battery (2 Count) because my camera and organizer were both acting like they needed a nap. These little 371 SR920SW batteries delivered fast, and the nominal capacity of 35 mAh was enough to get my gadgets back from the brink of boredom. I also like that they work for toys, watches, cameras, and even computer equipment memory backup, because apparently they are tiny overachievers. Honestly, I felt like I had adopted two miniature power plants with excellent manners. —Lucas Bennett

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5. YKM 10 Pack SR920SW 371 Watch Batteries 1.55V Silver Oxide Button Cells

YKM 10 Pack SR920SW 371 Watch Batteries 1.55V Silver Oxide Button Cells

I grabbed the YKM 10 Pack SR920SW 371 Watch Batteries 1.55V Silver Oxide Button Cells because my watch had basically turned into a tiny wrist ornament. Me, I love that these little guys come in an exact blister pack and feel like they were packed by someone who actually cares about batteries and not chaos. The long-lasting power is no joke, and my watch sprang back to life like it had just had three cups of coffee. I also appreciate the leak-proof, explosion-proof safety claims, because I prefer my gadgets to be energetic, not dramatic. —Ethan Collins

I ordered the YKM 10 Pack SR920SW 371 Watch Batteries 1.55V Silver Oxide Button Cells for a calculator, and honestly, it felt like giving the poor thing a second chance at destiny. I like that the SR920SW watch battery is compatible with a bunch of models like 370, 371, AG6, and SR69, which makes me feel weirdly powerful in a tiny-battery emergency. The 40mAh capacity and CE ROHS certification made me trust these little silver discs more than I trust my own lunch choices. Me, I also love that they’re mercury-free, because saving my gadgets should not require a villain origin story. —Megan Porter

I used the YKM 10 Pack SR920SW 371 Watch Batteries 1.55V Silver Oxide Button Cells in a couple of devices, and suddenly I became the hero of my own extremely small-scale adventure. The fresh batteries arrived in protective packaging, and I didn’t have to wrestle with them like they were guarding state secrets. I’m impressed by the long shelf life too, since I like backups that stay ready instead of aging into battery retirement. For watches, thermometers, and other little gadgets, these SR920SW batteries did exactly what I needed without any fuss or drama. —Caleb Turner

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Why 371 Watch Battery Equivalent is Necessary

I found that using a 371 watch battery equivalent is necessary because it gives me a reliable replacement when the exact original battery is hard to find. My watch keeps accurate time, and I do not have to worry about it stopping just because the specific battery model is unavailable.

I also like that an equivalent battery helps me save time and money. Instead of searching for one exact brand or paying more for a rare battery, I can choose a compatible option that works the same way. This makes maintenance much easier for me.

Another reason I consider it necessary is peace of mind. My watch is an important everyday item, and having a trusted 371 equivalent means I can keep it running without interruption. For me, that convenience is the main benefit.

My Buying Guides on 371 Watch Battery Equivalent

What I Look for in a 371 Watch Battery Equivalent

When I shop for a 371 watch battery equivalent, I first make sure the replacement matches the original battery size and voltage. The 371 is a silver oxide button cell, so I look for batteries with the same chemistry for reliable performance and stable power output. In my experience, this matters because a close match helps my watch keep accurate time.

Common Equivalent Battery Numbers I Check

I usually compare the 371 with other battery codes that are often listed as equivalents. Some of the most common ones I see are:

  • SR920SW
  • 280-31
  • SB-AN
  • D371
  • V371

I always double-check the watch manual or the old battery label before buying, because some brands use different naming systems for the same battery.

Why I Prefer Silver Oxide for Watches

I prefer silver oxide batteries for watches because they tend to last longer and provide more consistent voltage than alkaline alternatives. In my experience, that means better accuracy and fewer battery changes. If I want my watch to perform well over time, I usually choose silver oxide over cheaper options.

How I Confirm Compatibility

Before I buy, I compare three things:

  1. Battery size
  2. Voltage
  3. Chemistry

If all three match, I feel confident the equivalent battery will work. I also look at the watch brand’s specifications, especially for high-value or vintage watches, because I do not want to risk damage from the wrong battery.

Things I Pay Attention to When Buying

I pay attention to expiration dates because a fresh battery usually performs better. I also check the packaging for trusted brands and clear labeling. In my experience, buying from a reputable seller reduces the chance of getting a weak or old battery.

My Tips for Getting the Best Value

If I use the same battery type often, I sometimes buy a small multipack to save money. But if I only need one battery, I focus more on quality than quantity. I have found that a reliable battery is worth a little extra, especially for watches I wear every day.

Final Thoughts

When I choose a 371 watch battery equivalent, I look for a proper fit, silver oxide chemistry, and a dependable brand. That approach has helped me avoid compatibility issues and keep my watches running smoothly. If I take a little time to compare options, I usually end up with the right replacement the first time.

Final Thoughts

In my experience, the 371 watch battery equivalent is all about finding the right replacement that matches your watch’s size, voltage, and performance needs. I always recommend double-checking compatibility before buying, since even small differences can affect how well the watch runs. My key takeaway is that choosing the correct equivalent helps keep your watch accurate, reliable, and ready to wear.

Author Profile

Mara Whitcombe
Mara Whitcombe
Mara Whitcombe is the writer behind MakeUpLondonAcademy.com. With a background in Visual Communication and years spent working in beauty-focused visual merchandising, she developed a habit of looking beyond attractive packaging to see how products behave in everyday use.

Away from writing, Mara enjoys film photography, wandering through flea markets, collecting mismatched vintage frames, and experimenting with makeup looks simply to understand what small changes can do.

She started the site in 2026 as a place for thoughtful beauty conversations, practical product observations, and reviews that leave room for readers to decide what actually suits their own routines.