W500 M men's running stopwatch black



Made for runners who want to time their outings and programme interval training sessions 
Are you looking for a simple and precise watch to measure your running performances? The square face of our W500+ watch is ideal for intense runs & interval training sessions.

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Parameter measurementWith date, alarm, back-lighting and 1/100 sec timer.
CoachingProgram your training using its countdown function with 4 split-timers.
WaterproofWaterproof index of 5 ATM (50m) and buttons for use underwater.
Water resistanceWork out: your watch is resistant to salt and pool water and perspiration.
CustomisationPersonalise your watch: select your strap colour (extra option)!
VisibilityLarge digits for better visibility.
Easy assembly / dismantlingChange your strap easily with the exclusive slide system, no tools required.
Ease of useEasy to adjust using the icons on the screen.
WarantyAvailability of the parts (battery and wristband) needed to use the product: 2 years
Technical Information

Time your runs
Measure your performances with this stopwatch that is accurate to 1/100th second
Improve your performance with the itnerval training function
Configure a simple interval training session with 4 separate times with the interval mode. For example: Time 1: 15 minutes warm-up Time 2: 30 seconds action Time 3: 30 seconds rest Repetition: 10 times Time 4: 10 minutes for slowing down
Your watch is waterproof to 5 ATM
Keep your watch on as you swim along the surface or have a shower after your exertions, it's waterproofed to 5 ATM and has buttons that work underwater.
Ever heard of the SWIP system ?
With the SWIP attachment system, it couldn't be easier to change your watch strap, no tools required! Just slide the strap on or off. With a secure and resistant system provided by the wave-shaped design. Optional STRAP M (or SWIP strap) are compatible with the following models: W500M SWIP, W500+M SWIP, W700XC M SWIP, A300M SWIP, A300+ M SWIP, SWIP DIGITAL M, SWIP ANALOG M and X-Cross 400M.
Information / Concept / Technologie
Wrist : 90.0% Rubber - Thermoplastic Rubber (TPR), Wrist : 10.0% Stainless steel Carcass : 90.0% Polycarbonate-Acrylonitrile Butadiene Styre(PC-ABS, Carcass : 10.0% Polymethyl Methacrylate (PMMA) Board : 70.0% Epoxy, Board : 30.0% Copper (CU)

Product test
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.


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Not a running watch
Used for 1 week or less
Unfortunately the numbers are too small to be seen while running, watch returned.
Great watch
Used for 2 to 8 weeks
Bought this watch to take to Barbados as I do a lot of water sports. The watch was perfect.
Entry level perfect for beginners
Used for 3 to 6 months
If you're looking for a basic timing device, to record your run times / laps etc, it is perfectly fine. I bought mine because I have just started running.
Solid watch
Used for 7 to 12 months
Nothing too special, but does exactly what it sets out to do. Use it mainly for the stopwatch and timer during my weights session and has taken a few knocks but is still fine.
Water Proof Watch
Used for 1 week or less
Needed a waterproof watch, it does what is on the tin but just not right, found an alternative, was I looking for too much on a cheap watch?
tells the time
just not right
Used for 2 to 8 weeks
Make sure you buy a watch which has different coloured straps
Its a very good watch, and very good looking
It was a but too expensive
Perfect for basic interval training
Used for 2 to 8 weeks
Possible to set warm-up time, run and rest with repetitions and cool-down time
Easy to use
Geonature W500 Mswip watch
Used for 3 to 6 months
Its a brillient watch. Light weight and durable for all sports.
Light weight, cheap and cheerful. Has a light too.
Decathlon did it well again
Used for 1 week or less
I am a happy customer.... Decathlon provides awesome service, delivered the product with in 2 days, product looks as it is in the image. i like it. Thank you Decathlon.
Nice Stopwatch but not smartwatch
Used for 2 to 8 weeks
outstanding for underwater sports , easily removable straps, but this is for basic timing device . No GPS or no such features of Smartwatch.
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