---
title: "Sr626sw Watch Battery — $709K/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/health-household/sr626sw-watch-battery"
last_updated: "2026-08-11T00:38:30.879Z"
locale: en
meta:
description: "Niche score 48/100 · $709K/yr market · 663K searches/yr · $4.92 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:description": "Niche score 48/100 · $709K/yr market · 663K searches/yr · $4.92 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:title": "Sr626sw Watch Battery — $709K/yr Amazon US Niche (2026) - Flapen"
---
# **sr626sw watch battery**
**Skip it**
Prices mostly outside the sweet spot ($3.18–$6.88) — this niche doesn't clear our bar today.
Market size 69Growth 34Conversion 100Competition 24Returns 97Price range 0Avg price 14Brand share 51Review moat 24Quality gap 21
**Conversion**
**Incredible****21.7%**
search→purchase rate — share of searches ending in a sale
**Returns**
**Incredible****0.6%**
return rate — above 5% kills the launch gate
**Market size**
**Good****$709K**
$709K/yr · 663K searches
**Brand share**
**Good****74%**
top-5 brand share — brands hold most of the demand
**Growth**
**Okay****+7.4%**
90-day search growth — must beat 0% to launch
**Competition**
**Bad****71%**
top-5 click share — a locked-up shelf
**Review moat**
**Bad****6,514.19**
avg incumbent reviews — the moat a new listing must climb
**Quality gap**
**Bad****4.7★**
avg incumbent rating — lower means beatable quality
**Avg price**
**Bad****$4.92**
avg listing price — sweet spot $15–$100
**Price range**
**Bad****$3.18–$6.88**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Signals**[** No Dominant Brand**](https://flapen.com/research/niches?market=us&signal=no_dominant_brand "Top brand's click share < 20%")
According to Flapen's Amazon United States niche tracking, sr626sw watch battery is a $709K/yr Amazon United States market (663K searches/yr). The top 5 brands hold 74% of demand. Demand peaks in Aug–Sep. Verdict: Skip it — 48/100.
Data updated Jul 21, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **sr626sw watch battery market data**
- **Units sold / yr**
- **125K–150K**
- avg 8,000–10,000/product
- **Revenue / yr**
- **$615K–$738K**
- units × avg price
- **Conversion rate**
- **21.7%**
- **Avg BSR**
- **#109**
- **Page quality**
- **0%**
- **Prime**
- **88%**
- **Sponsored**
- **75%**
- **Out of stock**
- **0.4%**
- **Avg brand age**
- **75 months**
- **Avg seller age**
- **171 days**
## **Competition & brand share**
The top 5 products capture 71% of clicks — a locked-up shelf that new listings rarely crack.
**Brands**
**14 **▲rising
**Sellers**
**50**
**Top-5 brand share**
**74%**
Top 20: 100%
**Top-5 click share**
**71%**
Top 20: 100%
**Open market**
**21%**
- Fuspower19% - Maxell17% - DURACELL15% - Seizaiken12% - PKCELL11% - DURNERGY5%
## **Demand & seasonality**
Weekly Amazon search volume, last 104 weeks — +7.4% search growth over the last 90 days.
23K18K seasonSepDecMarJunAugNovMarMay
Peak months: Aug, Sep · busiest ÷ quietest = 1.6×
[**Open Trend **](https://flapen.com/research/us/health-household/sr626sw-watch-battery/trend)
## **Top sr626sw watch battery search terms**
- **sr626sw watch battery**320K/yr+7.3%21.4% conv. - **sr626sw**85K/yr+14.8%18.5% conv. - **sr626sw battery**70K/yr-2.1%14.3% conv. - **watch battery sr626sw**43K/yr+14.1%19.0% conv. - **watch batteries sr626sw**23K/yr+4.4%15.4% conv. - **battery sr626sw**22K/yr-0.9%19.1% conv. - **626sw watch battery**16K/yr+10.1%15.4% conv. - **sr 626 sw watch battery**11K/yr+8.5%17.1% conv. - **sr626sw 377 watch battery**8K/yr+7.8%17.1% conv. - **626 watch battery**9K/yr+19.3%12.8% conv. [**All search terms **](https://flapen.com/research/us/health-household/sr626sw-watch-battery/search-terms)
## **Top sr626sw watch battery products on Amazon**
Each bubble is one product — market share against review moat; bubble size tracks estimated sales, color grades how beatable the incumbent looks.
0%5%$35K10%$71K15%$106K20%$142K1001K10K100K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)
All 16 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**SR626SW Watch Batteries 377 376 LR626 Battery AG4 1.5v Alkaline Coin Cells (10 Count (Pack of 1))**Fuspower**$5.50**4.7★1,079 rev](https://www.amazon.com/dp/B0CRKMZ7GQ) [2**Duracell 377/376 Silver Oxide Button Batteries 2 Count (Pack of 1) Battery with Long-Lasting Power for Watches Calculators and More**DURACELL**$5.26**4.7★10,710 rev](https://www.amazon.com/dp/B07GN8KDWJ) [3**2 x MAXELL SR626SW 377 1.55v Silver Oxide Button Cell Watch Battery - Official Genuine Maxell**Maxell**$3.18**4.7★6,063 rev](https://www.amazon.com/dp/B00ZYF7WZC) [4**Seizaiken 377 SR626SW 1.55V 0% Hg Silver Oxide Watch Battery (2 Batteries) Made in Japan by Seiko**Seizaiken**$4.07**4.7★1,813 rev](https://www.amazon.com/dp/B0B2FDSRW3) [5**PKCELL SR626sw Watch Battery 10 Count 377 Watch Battery LR626 Battery**PKCELL**$5.17**4.7★1,636 rev](https://www.amazon.com/dp/B00ZT63GD8)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**kunying AG4 LR626 Battery 15 Pack Long-Lasting LR626/L626 /SR626 /377 /SR626SW Batteries Coin Cells for Watches Calculators Toys**kunying**$4.13**1,089 rev1y ago](https://www.amazon.com/dp/B0F7QPVSVV) [**SR626SW Watch Batteries 377 376 LR626 Battery AG4 1.5v Alkaline Coin Cells (10 Count (Pack of 1))**Fuspower**$5.50**1,079 rev2y ago](https://www.amazon.com/dp/B0CRKMZ7GQ) [**DURNERGY SR626SW Watch Battery 10 Pack AG4 Alkaline Button Cell Battery 377/376 Watch Batteries 1.5V LR626 Batteries 377A**DURNERGY**$4.83**787 rev2y ago](https://www.amazon.com/dp/B0CN6XMDFW) [**10 Pack SR626SW 377 Watch Batteries 1.55V Silver Oxide Button Cell Battery**YKM**$5.98**985 rev2y ago](https://www.amazon.com/dp/B0CFVKRNPK) [**Seizaiken 377 SR626SW 1.55V 0% Hg Silver Oxide Watch Battery (2 Batteries) Made in Japan by Seiko**Seizaiken**$4.07**1,813 rev4y ago](https://www.amazon.com/dp/B0B2FDSRW3)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**kunying AG4 LR626 Battery 15 Pack Long-Lasting LR626/L626 /SR626 /377 /SR626SW Batteries Coin Cells for Watches Calculators Toys**kunying**$4.13**4.6★**▲ 119%**](https://www.amazon.com/dp/B0F7QPVSVV) [**PKCELL SR626sw Watch Battery 10 Count 377 Watch Battery LR626 Battery**PKCELL**$5.17**4.7★**▲ 116%**](https://www.amazon.com/dp/B00ZT63GD8) [**Seizaiken 377 SR626SW 1.55V 0% Hg Silver Oxide Watch Battery (2 Batteries) Made in Japan by Seiko**Seizaiken**$4.07**4.7★**▲ 60%**](https://www.amazon.com/dp/B0B2FDSRW3) [**SR626SW Watch Batteries 377 376 LR626 Battery AG4 1.5v Alkaline Coin Cells (10 Count (Pack of 1))**Fuspower**$5.50**4.7★**▲ 58%**](https://www.amazon.com/dp/B0CRKMZ7GQ) [**DURNERGY SR626SW Watch Battery 10 Pack AG4 Alkaline Button Cell Battery 377/376 Watch Batteries 1.5V LR626 Batteries 377A**DURNERGY**$4.83**4.7★**▲ 36%**](https://www.amazon.com/dp/B0CN6XMDFW)
**~~View all trending →~~**
## **What buyers say about sr626sw watch battery**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Battery Life**27%
*“Great battery”*
**Value For Money**25%
*“Excellent value”*
**Advertised Vs Actual Product**12%
*“As Described”*
**Quality-Overall**10%
*“Great quality and dependable performance”*
**Size-Overall**9%
*“They fit snugly”*
**Ease Of Use**3%
*“Easy to use”*
**Durability**2%
*“Longevity”*
**Efficiency**2%
*“works well”*
**Watch Mechanism**2%
*“It was perfect for my watches it was so worth it”*
**Functionality-Overall**1%
*“Works”*
### **What buyers complain about **
**Battery Life**44%
*“Battery does not last”*
**Durability**8%
*“Does NOT last”*
**Size-Overall**8%
*“They didn't fit my watch”*
**Functionality-Overall**5%
*“neither worked”*
**Value For Money**5%
*“Expensive,”*
**Charging**4%
*“these are not rechargeable”*
**Advertised Vs Actual Product**4%
*“False advertising”*
**Ease Of Use**2%
*“Next to impossible to use”*
**Quality-Overall**2%
*“Spend a little more for better quality”*
**Natural Resource Wastage**1%
*“Waste of time”*
### **Top return reasons **
**Size-Overall**53%
**Battery Life**10%
**Functionality-Overall**9%
**Compatibility-Overall**9%
**Advertised Vs Actual Product**7%
**Value For Money**4%
**Defective Material/Parts**2%
**Charging**1%
**Durability**1%
**Watch Mechanism**1%
## **Common questions**
- **Is sr626sw watch battery profitable to sell on Amazon United States?**
- The niche generates $709K/yr across 16 tracked products. 90-day search growth is +7.4%. Flapen's verdict: Skip it (48/100).
- **How competitive is the sr626sw watch battery niche?**
- 14 brands and 50 sellers compete. The top 5 products take 71% of clicks and top 5 brands hold 74% of demand.
- **What do buyers complain about in sr626sw watch battery?**
- Top complaints mined from reviews: Battery Life, Durability, Size-Overall. The return rate is 0.6%.
- **When does demand for sr626sw watch battery peak?**
- Demand peaks in Aug–Sep; the busiest month runs 1.6× the quietest.
- **What does it cost to enter the sr626sw watch battery niche?**
- Listings span $3.18–$6.88; the average listing price is $4.92 (sweet spot $15–$100). The average incumbent carries 6,514 reviews — the moat a new listing must climb.
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