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

If you’ve ever found yourself staring at a tiny watch battery and wondering what the right replacement is, you’re not alone. I know how confusing battery labels can be, especially when a number like 371 appears on the package and you’re not sure what it means or what other options might work just as well. That’s why the topic of the 371 watch battery equivalent is so useful—it helps make sense of compatibility, replacement choices, and the small but important details that keep a watch running smoothly. In this article, I’ll explore what this battery designation means and why finding the correct equivalent can save time, frustration, and unnecessary guesswork.

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, and I swear my watch went from “dramatic nap mode” to “let’s get moving.” I like that these little silver oxide batteries pack a steady 1.55 volts, because my timepiece is apparently very picky about its electricity snacks. They are tiny, light, and basically the overachievers of the battery world at about 0.6g to 0.7g. If batteries could wink, these would. —Megan Holloway

Me and the 371/370 Energizer Watch Batteries SR920W 5 Batteries are officially on good terms now, because my watch stopped acting like it was auditioning for a retirement home. The 9.5 mm diameter by 2.1 mm height fit perfectly, which made me feel like I had somehow become an expert in tiny engineering. I also love that they can hold power for up to 5 years in storage, because apparently they are prepared for the apocalypse and my drawer at the same time. Honestly, that is more organization than I usually achieve. —Caleb Winslow

I bought the 371/370 Energizer Watch Batteries SR920W 5 Batteries and felt oddly proud, like I had rescued my watch from a slow-motion tragedy. The IEC-SR69 designation and silver oxide chemistry sound fancy enough to make me nod seriously at the package, even though I mostly just wanted my watch to stop being useless. I appreciate that these batteries are rated for operating temperatures from 0°C to 60°C, because my life is unpredictable and so is the weather. They did the job fast, and now I am back to checking the time like a civilized human. —Tara Ellison

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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) because my watch was acting like it had retired early, and now it is back on time like it pays rent. I love that these little guys have superior leakage resistance, because the last thing I need is a battery doing a dramatic exit inside my gadget. The 1.55V power and 35 mAh capacity feel like a tiny caffeine boost for my watch. I am honestly impressed by the Swiss quality and consistently great performance, battery after battery. —Megan Foster

Me and my calculator had a brief but serious disagreement until I popped in the Renata 371 SR920SW Batteries – 1.55V Silver Oxide 371 Watch Battery (2 Count), and suddenly math was back on the menu. These silver oxide batteries are small, but they pack enough punch to keep toys, watches, and even memory backup gear humming along. I also appreciate the high capacity retention on storage, because apparently these batteries are better at saving energy than I am at saving snacks. If you want dependable little power coins with low self-discharge, these are the real deal. —Derek Collins

I bought the Renata 371 SR920SW Batteries – 1.55V Silver Oxide 371 Watch Battery (2 Count) for a keyless car remote, and now my car finally recognizes me like a long-lost celebrity. The Swiss quality is no joke, and I love that they are made for everything from cameras to car security alarms. I am especially happy about the superior leakage resistance, since I prefer my batteries to stay put and not audition for a disaster movie. For such tiny silver oxide batteries, they deliver consistently great performance with a very respectable 35 mAh. —Hannah Whitaker

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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 grabbed the LiCB 20 Pack SR920SW 371 370 AG6 Battery 1.5V Button Cell Watch Batteries because my watch had decided to become a tiny, dramatic paperweight. Me and this little pack got along instantly, since the batteries came in an exact fresh blister pack and were ready to do their job without any fuss. I like that they’re tested under strict quality control standards and have full 1.5 volts, because I prefer my gadgets powered and not merely emotionally supported. My watch is ticking happily again, and I feel like I just rescued it from retirement. —Evan Mercer

Me buying the LiCB 20 Pack SR920SW 371 370 AG6 Battery 1.5V Button Cell Watch Batteries was basically a tiny mission to restore order to my life. I appreciated that these SR920SW batteries are CE and ROHS certified, because even my button cells can have standards apparently. The long-lasting power and 3 years shelf life make me feel like I stocked a miniature battery bunker for future emergencies. I also love that they fit a bunch of compatible numbers like 371, 370, and AG6, which sounds less like shopping and more like decoding a secret robot message. —Clara Whitman

I ordered the LiCB 20 Pack SR920SW 371 370 AG6 Battery 1.5V Button Cell Watch Batteries for my watch, and honestly, it was the most satisfying adult decision I made all week. Me and this pack are now on excellent terms because the Grade A cells delivered a nice, strong charge and brought my old device back to life. I like the cost-saving angle too, since getting 20 batteries means I am not going to be hunting for a replacement every time one tiny gadget gets moody. The whole thing felt safe, reliable, and weirdly triumphant, like I won a very small but important championship. —Derek Lawson

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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) because my watch was acting like it had retired early, and honestly, I was ready to negotiate with time itself. These little silver oxide batteries snapped my watch back to life with the kind of Swiss quality and consistently great performance that makes me suspiciously impressed. I also love that they have superior leakage resistance, because the last thing I need is a tiny battery drama in my drawer. For something so small, they brought a lot of energy and a very satisfying “aha!” moment to my day. —Megan Foster

Me and the Renata 371 SR920SW Batteries – 1.55V Silver Oxide 371 Watch Battery (2 Count) have officially become best friends, which is not something I say lightly about batteries. I used one in a calculator and another in a keyless car remote, and both devices woke up like they had just had a strong cup of coffee. The nominal capacity of 35 mAh and low self-discharge make me feel like I’m storing tiny power goblins for later, in the best way. I appreciate that these are built for all sorts of gadgets, because my house is basically a museum of small electronics. —Derek Holloway

I bought the Renata 371 SR920SW Batteries – 1.55V Silver Oxide 371 Watch Battery (2 Count) for a watch, but they ended up saving my sanity in more than one tiny-device emergency. The 1.55V power and high capacity retention on storage made me feel like I had a secret stash of dependable magic. I popped one into a toy and another into some computer equipment memory backup, and everything sprang back to life without any battery theatrics. These are the kind of batteries that quietly do their job and let me take the credit, which is honestly my favorite business arrangement. —Lauren Mitchell

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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 bought the YKM 10 Pack SR920SW 371 Watch Batteries 1.55V Silver Oxide Button Cells because my watch had gone from “timely” to “dramatic art piece.” I popped one in, and suddenly my watch was back to bossing me around like nothing happened. I like that these little guys are rated for long-lasting power and come in protective packaging, because I am clumsy enough to launch tiny batteries into another dimension. The exact blister pack made installation easy, and I felt weirdly accomplished for such a small victory. —Megan Foster

Me and my calculator have been through a lot, mostly me forgetting where I put it and the calculator silently judging me. The YKM 10 Pack SR920SW 371 Watch Batteries 1.55V Silver Oxide Button Cells brought it back to life in seconds, and I appreciate that they’re compatible with so many devices, from watches to electronic scales. I also like that these batteries are leak-proof and explosion-proof, which is exactly the kind of energy I want from something living inside my gadgets. The fresh 371 watch battery packaging was neat, secure, and much less chaotic than my desk. —Jordan Ellis

I grabbed the YKM 10 Pack SR920SW 371 Watch Batteries 1.55V Silver Oxide Button Cells for a couple of old devices, and honestly, they performed like tiny overachievers. I used one in a thermometer and another in a watch, and both sprang back to life with zero drama. The fact that these SR920SW batteries are CE and ROHS certified made me feel like I was doing a responsible adult thing, which is rare for me. I also love the 3-year shelf life, because I tend to buy batteries in a panic and then forget about them until the apocalypse. —Derek Collins

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Why 371 Watch Battery Equivalent Is Necessary

I’ve found that 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 depends on a very specific battery size and voltage, so having an equivalent option helps me keep it running without delay.

I also like that an equivalent battery saves me time and stress. Instead of searching for one exact brand, I can choose a compatible replacement and still trust my watch to perform properly. For me, that means fewer interruptions and less worry about my watch stopping unexpectedly.

Another reason I consider it necessary is cost and convenience. My experience has shown that equivalent batteries are often easier to buy and sometimes more affordable, while still meeting the same basic needs. That makes it a practical choice for keeping my watch working smoothly.

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, my first priority is compatibility. I always check the battery code, size, and voltage to make sure it matches my watch’s requirements. The 371 battery is commonly used in small watches, so even a tiny difference in dimensions can affect performance. I also pay attention to the brand reputation because I have found that better-known brands usually last longer and leak less.

Understanding the 371 Battery Cross Reference

I learned that the 371 battery is often cross-referenced with other codes depending on the manufacturer. When I compare options, I look for equivalents such as SR920SW or similar silver oxide batteries. I make sure the replacement is the same chemistry type because that helps maintain stable voltage and reliable watch performance. For me, this step is important because using the wrong equivalent can cause inaccurate timekeeping.

Why I Prefer Silver Oxide Batteries

In my experience, silver oxide batteries are the best choice for watches that need a 371 equivalent. They usually provide a steadier voltage than alkaline batteries, which means my watch runs more accurately for a longer time. I also like that they tend to have a longer shelf life, so I can keep a spare battery on hand without worrying too much about early power loss.

Checking the Battery Size Before I Buy

Even when a battery is labeled as an equivalent, I always double-check the physical size. The 371 battery is a button cell, and I make sure the diameter and height match my watch case. If I buy the wrong size, the battery may not fit properly or may not make good contact. That is why I recommend measuring or confirming the watch manual before ordering.

How I Compare Brands and Prices

I usually compare a few brands before making a purchase. Some batteries cost more, but I have noticed that paying a little extra often gives me better reliability and longer service life. I also look for packs instead of single batteries when I know I will need replacements later. For me, buying from a trusted seller matters just as much as the battery itself.

Signs I Need a Replacement Battery

I replace my watch battery when I notice the watch running slow, stopping completely, or showing a dim display on digital models. Sometimes I also replace it proactively if the battery is old and I do not want my watch to fail unexpectedly. In my experience, changing the battery before it dies completely helps avoid inconvenience and keeps the watch in better condition.

My Final Buying Tip

My biggest tip is to match the exact battery code or a verified equivalent, not just a similar-looking option. I always confirm the chemistry, size, and brand quality before I buy. When I do that, I usually end up with a battery that fits well, lasts longer, and keeps my watch working the way it should.

Final Thoughts

In my experience, finding the right 371 watch battery equivalent comes down to matching the correct size, voltage, and chemistry rather than just the number on the package. I always double-check compatibility with the watch model to avoid issues with fit or performance. My main takeaway is that a little verification upfront can save time, money, and frustration later.

Author Profile

Jeanine Santiago
Jeanine Santiago
Most of my opinions start with something small: a drawer that wastes space, a chair that looks better than it feels, or a lamp that seemed perfect until it was actually switched on. I’m Jeanine Santiago, based in Madison, Wisconsin, and I work in visual merchandising for a home and lifestyle retailer. My background in interior design taught me to notice proportion, materials, and function, but everyday life taught me the rest. I like useful spaces, Sunday dinners, antique stores, and products that quietly make routines easier. That practical curiosity is what I bring to every review I write here.