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ONstart 110 Stopwatch - black


Our team of passionate runners designed this timer for measuring your performance.

Ideal for beginners


Home delivery or Click & Collect
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Product benefits

Parameter measurement

Time, date and alarm.


1/100°S stopwatch with 1 split time (LAP). Up to 99hr 59min 59sec


Large digits for perfect legibility when practising sports.

Audio efficiency

Loud beep


Automatic or manual stand-by mode for optimising battery life

Ease of use

Easy to adjust with screen icons and 3 buttons.

Technical information

Product bonus:

The On Start 110 stopwatch is the simplest in the range, designed for occasional use or for timing group activities.

New features:
- loud beeps
- improved push-button for more precise timing
- improved ergonomics for easier grip on the product


Up to 99hr 59min 59sec with 1 split time (LAP: the time elapsed since the last lap time measurement.

Save battery life

your stopwatch will not stay on forever at the bottom of your bag.
It automatically goes to standby mode after 24 hours.
You can also switch to stand-by mode manually.
Batteries are not included.

How to choose the right stopwatch.

The range:
- OnStart 110: stopwatch with 1 split time, time, date, alarm
- On Start 310: stopwatch with 50 split times, MATCH mode, COACH mode, UP & DOWN mode, speed pacer, rain resistant
- On Start 710: stopwatch with 300 split times, MATCH mode, COACH mode, UP & DOWN mode, speed pacer, pace tracker, speed tracker, rain resistant, light
- On Start:


Essential parts (battery) available: 2 years

Product concept & technology

Product Composition

Structure 100% Acrylonitrile Butadiene Styrene Inside room 90% PCBA, 10% Battery - Li Po


Decathlon teams have been designing watches specifically for sports use for 20 years.
During development, each model undergoes more than 30 different tests in the laboratory as well as some tests in the field conducted by our teams of testers.

Customer reviews