Casio A158WA Series | Unisex Digital Watch | Vintage | WR | 100 SEC Stop Watch | Daily Alarm | Regular Time Keeping: Hour, Minute, Second, PM, Date, Day | Led Light | 7 Yr Battery Review Analysis
B000GAYQJ0 · amazon.us · Clothing, Shoes & Jewelry > Men > Watches > Wrist Watches
Last updated: June 2026 · Based on stratified sample of customer reviews
Opportunity Score
The Casio A158WA Series | Unisex Digital Watch | Vintage | WR | 100 SEC Stop Watch | Daily Alarm | Regular Time Keeping: Hour, Minute, Second, PM, Date, Day | Led Light | 7 Yr Battery scores 54/100 on the Sellyze opportunity index. Based on 57,116 customer reviews with a 4.6 star average. Amazon reports 9k+ bought in past month for this product. Analysis identified 15 distinct complaints, with 2 classified as major or critical.
Score Breakdown
The Sellyze opportunity score evaluates products across five dimensions, each scored 0 to 10.
Common Customer Complaints
Sellyze identified 15 distinct pain points from customer reviews. The 6 most prevalent issues are listed below.
1. Backlight Performance
Product Defect · Critical · 4.0% of buyers
Backlight is too dim or weak, making it difficult to read the display in low light conditions.
"My biggest complaint is that the light is pretty poor and why I took a star off"
"The screen does have a backlight that you operate with the top pusher on the left side of the case. But honestly, it's very weak and only really provides any kind of value in near complete or complete darkness."
2. Backlight Performance
Missing Feature · Moderate · 0.8% of buyers
Customers expect a better or upgraded backlight, as found in similar models.
"There are similar versions with a better light"
3. Band Sizing
sizing_fit · Critical · 4.0% of buyers
Band/bracelet is too short or small, causing poor fit for users with larger wrists.
"the watch is small and the bracelet is not that long"
"it is small and the bracelet is not that long"
4. Band Sizing
sizing_fit · Minor
Band is too loose and falls off some users' wrists.
"It falls off my arm and gets lose when I wear it"
5. Band Durability
Product Defect · Minor
Band snaps or breaks within a short period of use.
"The band snapped during the second week"
6. Bracelet Reliability
Product Defect · Minor
Bracelet does not work reliably or fails to stay fastened.
"the bracelet does not work reliably anymore"
What Customers Like
Despite the issues above, the product receives strong positive feedback in these areas:
- Durability: Watch is highly durable and reliable, lasting for years.
- Band Quality: Stainless steel band feels premium and comfortable, does not pinch hair.
- Display: Digital display is clear and easy to read.
- Backlight: Backlight is helpful at night (for some users).
Market Position
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Full analysis available
- + 9 more pain points with evidence
- + Product spec with improvement recommendations
- + Supplier brief ready to send to manufacturers
- + Optimized Amazon listing copy
- + Score reasoning with detailed breakdown
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About this analysis
This report was generated by Sellyze using stratified review sampling and weighted prevalence estimation. Reviews were analyzed from a stratified sample that oversamples negative reviews for better problem detection. Prevalence rates are weighted against the actual rating distribution to estimate true buyer impact. All customer quotes are taken directly from published Amazon reviews.