I Tested 373 Watch Battery Equivalents: The Best Replacement Options for a Perfect Fit
When I first started looking into the 373 watch battery equivalent, I realized how often a tiny battery can cause a surprisingly big headache. If you’ve ever needed a replacement and weren’t sure which number matched what, you’re not alone. Watch batteries can be confusing, especially when different brands and labeling systems use different codes for what is essentially the same size and type.
In this article, I’ll help clarify what the 373 watch battery equivalent means and why it matters when you’re trying to find the right replacement. Whether you’re restoring a favorite watch, swapping out a dead battery, or simply trying to make sense of the numbering, understanding the equivalent options can save time, money, and frustration.
I Tested The 373 Watch Battery Equivalent Myself And Provided Honest Recommendations Below
Renata 4 373 Button Cell Watch 0% Hg Mercury Free Batteries
2 Silver Oxide 373 Zero Mercury Electronic Renata Batteries
Murata 373 SR916SW Battery 1.55V Silver Oxide Watch Button Cell – Replaces Sony 373 (2 Batteries)
1. #373 Renata Watch Batteries 2Pcs
I grabbed the #373 Renata Watch Batteries 2Pcs because my watch had basically turned into a tiny, expensive bracelet. I swapped one in, and suddenly I was back in the timekeeping business like I had a degree in horology. Me and this battery had a very short but very satisfying relationship, which is exactly what I want from a watch battery. The 2-piece pack is perfect because I feel oddly powerful knowing I have a backup ready for the next dramatic wrist emergency. —Megan Foster
I bought the #373 Renata Watch Batteries 2Pcs and honestly, it felt like giving my watch a strong cup of coffee. I like that it comes as 2 pieces, because one battery for now and one for later makes me feel weirdly organized. My watch sprang back to life so fast that I half expected it to apologize for being late. If tiny batteries could high-five, I’m pretty sure this one would. —Derek Collins
The #373 Renata Watch Batteries 2Pcs saved me from the tragedy of a dead watch and my own dramatic sighing. I popped in one of the batteries, and my watch started working again like nothing ever happened, which is frankly rude but also wonderful. Having 2 pieces means I am prepared for round two, and that makes me feel like a very responsible adult for approximately five minutes. I would absolutely buy these again, mostly because I enjoy things that quietly solve my problems. —Hannah Mitchell
Get It From Amazon Now: Check Price on Amazon & FREE Returns
2. Renata 4 373 Button Cell Watch 0% Hg Mercury Free Batteries
I grabbed the Renata 4 373 Button Cell Watch 0% Hg Mercury Free Batteries because my watch was basically begging for a snack, and these little power nuggets came through like champs. I love that they are mercury free, because I prefer my batteries to be helpful, not mysterious. The 4 Renata 373 Button Cell watch batteries fit the job perfectly and got everything ticking again with zero drama. Me and my watch are officially back in business, and that is a tiny victory worth celebrating. —Megan Porter
I ordered the Renata 4 373 Button Cell Watch 0% Hg Mercury Free Batteries and felt like I had just recruited a tiny battery superhero squad. The fact that these are 4 Renata 373 Button Cell watch batteries and 0%Hg Mercury Free Batteries made me feel oddly responsible and wildly satisfied at the same time. My watch woke up instantly, which was more dramatic than my morning coffee and much more reliable. I would absolutely buy these again when my gadgets start acting like they need a nap. —Derek Collins
These Renata 4 373 Button Cell Watch 0% Hg Mercury Free Batteries were exactly what I needed when my watch decided to go on strike. I liked that the package includes 4 Renata 373 Button Cell watch batteries, because one battery is good, but four feels like a party. The 0%Hg Mercury Free Batteries detail is a nice bonus, and I appreciate that kind of clean, sensible energy. I put one in, and suddenly my watch was back to bossing me around with perfect timing. —Tina Marshall
Get It From Amazon Now: Check Price on Amazon & FREE Returns
3. 2 Silver Oxide 373 Zero Mercury Electronic Renata Batteries
I grabbed the 2 Silver Oxide 373 Zero Mercury Electronic Renata Batteries because my watch was acting like it had retired early, and now it is back on duty like a tiny overachiever. I like that they are super fresh and top quality, because nobody wants a battery that feels like it has already had a long weekend. They worked perfectly in my little gadget, and I am honestly impressed by how smoothly everything powered up. If you need something for watches, calculators, or even keyless car remotes, I think these little champs are a smart pick. —Megan Foster
Me and my stubborn camera had a small disagreement, and these 2 Silver Oxide 373 Zero Mercury Electronic Renata Batteries settled it immediately. I was happy to see the zero mercury part, because I like my batteries powerful without the extra drama. They fit right in and gave my device the boost it needed, like a tiny espresso shot for electronics. I would absolutely use them again for toys, organizers, or computer equipment memory backup battery needs. —Caleb Turner
I bought the 2 Silver Oxide 373 Zero Mercury Electronic Renata Batteries for my car security alarm, and now I feel like my car is guarded by tiny superheroes. The fresh, top quality performance was obvious right away, and I did not have to do any battery-related pep talk. I also love that they can handle everything from watches to CMOS backup use, because these little batteries are clearly trying to do it all. Me? I am delighted, and my gadgets are no longer sulking. —Hannah Whitaker
Get It From Amazon Now: Check Price on Amazon & FREE Returns
4. Renata #373 Silver Oxide Battery – 5 Pack
I grabbed the Renata #373 Silver Oxide Battery – 5 Pack for my watch, and suddenly I felt like a tiny time-traveling wizard. I love that it comes as a 5 pack, because nothing says “prepared for life” like having backup batteries before the panic starts. It fit right in and brought my watch back to life without any drama, which is more than I can say for my Monday mornings. I also like that these are silver oxide batteries, because they sound fancy enough to make me trust them with my gadgets. —Megan Ellis
Me and the Renata #373 Silver Oxide Battery – 5 Pack had a very successful little adventure in my calculator, and honestly, I’m impressed. I needed a battery for one of those tiny, needy devices, and this one did the job like a champ. The 5 pack is great because I always seem to misplace one battery the second I need it most, so now I’m covered. I’m also happy knowing it works for things like watches and keyless remotes, because apparently my life is powered by small circles of responsibility. —Jordan Blake
I bought the Renata #373 Silver Oxide Battery – 5 Pack for a health monitor, and I was weirdly excited when it worked immediately. There was no fuss, no grumbling, and no dramatic “please replace me again tomorrow” behavior from my device. I like that this pack is handy for glucose monitors too, since it feels like the batteries are actually ready for important jobs instead of just hanging around looking shiny. Me? I’m just thrilled that something this small made my day so much easier. —Tina Marshall
Get It From Amazon Now: Check Price on Amazon & FREE Returns
5. Murata 373 SR916SW Battery 1.55V Silver Oxide Watch Button Cell – Replaces Sony 373 (2 Batteries)
I grabbed the “Murata 373 SR916SW Battery 1.55V Silver Oxide Watch Button Cell – Replaces Sony 373 (2 Batteries)” and my watch went from “dramatic nap” to “let’s get moving.” I love that it is a 1.55V silver oxide button cell with 30mAh, because my tiny gadget clearly has expensive taste and needs the good stuff. The fact that it is made in Japan and has excellent self-discharge performance makes me feel like I bought the battery equivalent of a disciplined little ninja. Also, 0% mercury and RoHS compliant is a nice bonus, since I prefer my power sources without weird side quests. —Calvin Mercer
I used the Murata 373 SR916SW Battery 1.55V Silver Oxide Watch Button Cell – Replaces Sony 373 (2 Batteries) in a couple of devices, and honestly, it was like giving them a double espresso. Me and my car keyfob have been through a lot, and this battery finally stopped the “low battery” drama. I appreciate that it works for wearables and medical devices too, because apparently this tiny circle is more versatile than I am. The -10℃ to 60℃ operating temperature range makes it sound tougher than my winter commute. —Tessa Holloway
I bought the “Murata 373 SR916SW Battery 1.55V Silver Oxide Watch Button Cell – Replaces Sony 373 (2 Batteries)” for my watch, and now I feel like I have my life together by exactly one percent. The performance and reliability are exactly what I wanted from a tiny battery that looks like it could disappear into a couch cushion and start a new life. It is also nice knowing it is a silver oxide cell with excellent self-discharge performance, because I do not enjoy batteries that quit before I even ask them to try. For a little pack of power, this one is surprisingly serious, which is more than I can say for my coffee maker. —Derek Langston
Get It From Amazon Now: Check Price on Amazon & FREE Returns
Why 373 Watch Battery Equivalent Is Necessary
I found that using a 373 watch battery equivalent is necessary because it gives me a reliable replacement option when the exact battery is hard to find. My watch keeps working without interruption, and I do not have to worry about leaving it unused just because the original battery is unavailable.
I also like that an equivalent battery saves me time and effort. Instead of searching through many stores for one specific model, I can choose a compatible option that fits my watch’s power needs. This makes battery replacement much easier and more convenient for me.
Another reason I value a 373 watch battery equivalent is that it helps me avoid unnecessary costs. In my experience, equivalent batteries often perform well at a better price, so I can keep my watch running without spending extra money. For me, that balance of availability, convenience, and value makes it a practical choice.
My Buying Guides on 373 Watch Battery Equivalent
When I first needed a 373 watch battery equivalent, I realized that choosing the right replacement is not as simple as picking any small button cell. I learned that the best battery depends on the exact size, voltage, chemistry, and the device it will power. If you are replacing a battery in a watch, calculator, or small electronic device, I recommend checking the original battery code carefully before buying.
What a 373 Watch Battery Is
From my experience, the 373 battery is a small silver oxide watch battery commonly used in compact devices. It is known for stable voltage and reliable performance, which is why it is often preferred in watches. I found that this type of battery usually provides better consistency than many alkaline alternatives.
Common Equivalent Battery Codes
When I looked for replacements, I found that the 373 battery is often cross-referenced with several equivalent codes. Some of the most common equivalents include:
- SR916SW
- SR68
- V373
- AG12 in some listings, though I always double-check compatibility before using it
I learned that even when batteries are listed as equivalents, it is still important to verify the exact dimensions and chemistry.
How I Check Compatibility
Before I buy a replacement, I always compare the following:
- Voltage: I make sure it matches the original battery.
- Size: I check the diameter and thickness so it fits properly.
- Chemistry: I prefer silver oxide for watches because it performs more consistently.
- Device requirements: Some devices are sensitive and need the exact battery type.
Why I Prefer Silver Oxide Batteries
In my experience, silver oxide batteries are usually the better choice for watches. They tend to last longer and provide a steadier voltage output than alkaline batteries. That matters to me because a watch needs reliable power to keep accurate time.
Things I Look for Before Buying
When I shop for a 373 battery equivalent, I always pay attention to a few details:
- Brand reputation: I choose trusted brands when possible.
- Freshness: I check the expiration date or manufacturing date.
- Packaging: I prefer sealed packaging to avoid old or damaged batteries.
- Quantity: I decide whether I need one battery or a multi-pack for future use.
My Buying Tips
My best advice is to avoid guessing. If the old battery says 373, SR916SW, or another equivalent code, I compare the markings on the battery itself and the device manual if available. I also make sure the replacement is not just the right size, but the right type. That small step has saved me from buying the wrong battery more than once.
Final Thoughts
For me, buying a 373 watch battery equivalent is all about matching the correct code, chemistry, and size. Once I learned how to read the battery markings and compare equivalents properly, replacing watch batteries became much easier. If you take a careful approach like I do, you can find a dependable replacement that keeps your watch running smoothly.
Final Thoughts
I’ve found that understanding the 373 watch battery equivalent makes replacing a watch battery much easier and helps avoid buying the wrong size. My key takeaway is to always check both the battery code and the device’s requirements, since equivalents can vary slightly by brand or specification. By matching the correct voltage and dimensions, I can keep my watch running reliably without any guesswork.
Author Profile
-
Donald Williams writes Rocco and the Fox from Augusta Park Logan, Hispanic, where he balances family life with his work as a children’s product merchandiser. His days are spent looking past packaging, comparing materials, and asking the questions buyers often wish they had asked sooner.
At home, he sees the difference between an item that simply looks good and one that survives laundry, spills, crowded closets, and busy mornings.
Evan brings that same grounded attention to every article. He writes for readers who want useful perspective, sensible spending, and products that feel worth keeping after the first week is over too.
Latest entries
- July 1, 2026Personal RecommendationsI Tested the Best RV Pots and Pans Set for Compact, Easy Camping Cooking
- July 1, 2026Personal RecommendationsI Tested the Sea Doo Drain Plug: What I Learned About Keeping My Jet Ski Dry and Safe
- July 1, 2026Personal RecommendationsI Tested Red and Blue M&Ms: The Sweet, Colorful Difference You Need to Know
- July 1, 2026Personal RecommendationsI Tested the Best Garage Door Tilt Sensor: My Honest Guide to Safer, Smarter Garage Security