Silent Digital Stopwatch Timer for Teachers
- Stopwatch
- Black
- 2.1 ounces
- More reviewed than 85%
A simple, lightweight timer built around silent operation, reasonable for basic timing needs in a classroom or on a field.
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How it ranks among the 48 stopwatches we track
4.2★ across 2,900 Amazon ratings, Bayesian-smoothed toward the category average.
2,900 Amazon ratings, weighted on a log scale so huge counts don't drown everything.
200+ bought on Amazon last month.
Brand identity, imagery, description and spec coverage.
The ProductDome score is separate from the Amazon rating shown above: it combines the Bayesian-smoothed Amazon rating with evidence volume, tracked demand, and data quality across the 48 stopwatches we track - how the scorecard works · full stopwatches data report. Confidence: medium - useful but incomplete evidence.Last refreshed Aug 4, 2026. Data-computed, not a hands-on test. Compiled by the ProductDome Research Team.
Overview
This is a digital stopwatch timer aimed at teachers, coaches and kids, built for silent operation so it can be used during drills or tests without an audible tick. It weighs 2.08 ounces and comes in black.
A stopwatch that runs silently is useful anywhere a ticking sound would be distracting: a classroom test, a quiet gym session or a coached drill where athletes need to focus on the count rather than the clock. Beyond the silent operation and its light weight, the listing does not specify additional functions such as lap memory or a backlight.
- Silent digital stopwatch
- Aimed at teachers, coaches and kids
- 2.08 ounce item weight
- Black colorway
Who it's for
Suits teachers timing exams, coaches running interval drills, and parents timing kids activities where a quiet, pocketable timer is enough. Not for anyone who needs multi lap splits or connected data confirmed, since those features are not listed.
Strengths and trade-offs
Drawn from this product's published specifications.
- Silent operation, no audible tick
- Very lightweight at 2.08 ounces
- Simple black design
- No lap or split function specified
- No display or backlight detail given
- No strap or clip included information
Performance notes
At 2.08 ounces the unit is light enough to clip on, hold, or hang around the neck without being noticed, and the silent movement means it will not interrupt a quiet room the way a ticking mechanical stopwatch can.
Specifications
| Brand | Silent |
|---|---|
| Model | COMINSO5JUL67737 |
| Color | Black |
| Item Weight | 2.1 ounces |
How it compares
This product against the closest alternatives we track in stopwatches.
| Product | Amazon rating | Ratings | ProductDome score |
|---|---|---|---|
| Silent Digital Stopwatch Timer for TeachersThis product | 4.2 / 5 | 2,900 | 4.0 / 5 |
| Gymboss BLACKBU StopwatchGymboss | 4.5 / 5 | 5,500 | 4.3 / 5 |
| ACCUSPLIT 12440191 StopwatchACCUSPLIT | 4.5 / 5 | 3,500 | 4.3 / 5 |
| Learning Resources Simple 3 Button StopwatchLearning | 4.5 / 5 | 3,000 | 4.3 / 5 |
| Sports YS-802 StopwatchSports | 4.2 / 5 | 2,000 | 4.2 / 5 |
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Questions about the Silent COMINSO5JUL67737
Common buyer questions answered straight from the product spec data - no fluff, no "it depends".
Does this stopwatch make a ticking sound?
No, it is built for silent operation, the main feature called out in the listing.
How much does the stopwatch weigh?
It weighs 2.08 ounces.
Who is this stopwatch meant for?
The listing targets teachers, coaches and kids for classroom, drill or activity timing.