US
Digital

Digital RL-100 Stopwatch

  • Stopwatch
  • 100 Lap Metal
  • 8.1 ounces
4.2/ 5 on Amazon147Amazon ratings3.4ProductDome score
Medium confidenceLast refreshed Aug 4, 2026Amazon data + ProductDome analysis · methodology
Best forYou need to record many laps or splits in one session

A metal-cased stopwatch built around 100-lap memory, aimed at users who track multiple splits rather than a single elapsed time.

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ProductDome scorecard

How it ranks among the 48 stopwatches we track

3.4/ 5ProductDome scoreMedium confidence
Owner satisfaction · 56% of scorecategory median 4.3★4.2

4.2★ across 147 Amazon ratings, Bayesian-smoothed toward the category average.

Evidence strength · 17% of scorecategory median 333 ratings2.7

147 Amazon ratings, weighted on a log scale so huge counts don't drown everything.

Buyer demand · 11% of score0.0

Modest tracked demand last month.

Data quality · 11% of score2.5

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

A stopwatch from the brand Digital, model RL-100, listed at 0.23 kilograms with a metal build and a stated 100-lap function. That lap count points to a stopwatch built for interval or track training rather than casual timing.

The listing folds the lap-count detail into the color field rather than a proper spec, listing the color as 100 Lap Metal, which most likely describes a metal-cased stopwatch with 100-lap memory rather than an actual color choice. Buyers should confirm the display and button layout before assuming it matches a specific coaching workflow.

  • 100-lap memory function
  • Metal casing
  • 0.23 kilogram item weight
  • Model RL-100

Who it's for

Suits coaches, runners, or swimmers who need to log many laps or splits in one session and want a metal-bodied stopwatch that can handle regular handling. Not needed by someone who just wants a basic single-lap kitchen-style timer.

Strengths and trade-offs

Drawn from this product's published specifications.

What stands out
  • 100-lap memory suits interval and split training
  • Metal casing built for regular handling
What to check first
  • Listing places the lap and material detail under color, which is confusing
  • No display or button layout detail given

Performance notes

Lap memory of this size is meant for structured interval sessions where a coach or athlete records each split as it happens rather than just a single start-to-finish time. The metal casing suggests it is built to survive being passed around a track or pool deck.

Specifications

BrandDigital
ModelRL-100
Color100 Lap Metal
Item Weight8.1 ounces

How it compares

This product against the closest alternatives we track in stopwatches.

ProductAmazon ratingRatingsProductDome score
Digital RL-100 StopwatchThis product4.2 / 51473.4 / 5
Gymboss BLACKBU StopwatchGymboss4.5 / 55,5004.3 / 5
ACCUSPLIT 12440191 StopwatchACCUSPLIT4.5 / 53,5004.3 / 5
Learning Resources Simple 3 Button StopwatchLearning4.5 / 53,0004.3 / 5
Sports YS-802 StopwatchSports4.2 / 52,0004.2 / 5
Frequently asked

Questions about the Digital RL-100

Common buyer questions answered straight from the product spec data - no fluff, no "it depends".

How many laps can this stopwatch record?

100, according to the listing.

What is it made of?

Metal.

How much does it weigh?

0.23 kilograms.