W500 M men's running stopwatch reverse screen - Black


Our team of running enthusiasts designed this watch so you can measure your performance and program interval workouts.

Are you looking for a simple and precise watch to measure your running performances? Our W500 watch in size M is ideal for intense runs and interval training sessions.

Color: BLACK


Home delivery or Click & Collect
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Product benefits

Parameter measurement

With the date, an alarm, backlighting and 1/100 s stopwatch.


Program your training using its countdown function with 4 split-timers.


Waterproof index of 5 ATM (50 m) and buttons for use underwater.


Enjoy better legibility thanks to the large digits.

Water resistance

Go all out: your watch is resistant to salt, pool water and perspiration.

Easy assembly / dismantling

Change your strap easily with the exclusive slide system, no tools required.

Ease of use

Adjust your watch easily thanks to the icons on the screen.

Technical information

Time your outings

Time your performances with a stopwatch that's accurate to 1/100 th second

Improve your performance with the interval 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 ?

It's easy to change your watch strap without tools thanks to the SWIP fastening system! Just slide the strap on or off.
With a secure and resistant system provided by the wave-shaped design.
Optional STRAPs M (or SWIP straps) are compatible with models W500M SWIP, W500+M SWIP, W700XC M SWIP, A300M SWIP, A300+ M SWIP, SWIP DIGITAL M, SWIP ANALOG M and X-Cross 400M.


Separate items available (battery and strap) to ensure correct use: 2 year

Product concept & technology

Product Composition

Wrist 80% Thermoplastic Polyurethane, 20% Stainless Steel Frame 90% Polycarbonate-Acrylonitrile Butadiene Styrene, 10% Polymethyl Methacrylate Board 70% Epoxy, 30% Copper


Decathlon teams have been designing watches specifically for sports use for 20 years.
During their development stage, each model undergoes over 30 distinct tests, and are then tested on the field by our tester team.

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