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W900 men's running stopwatch reverse screen - Black
  • W900 men's running stopwatch reverse screen - Black
W900 men's running stopwatch reverse screen - Black



W900 men's running stopwatch reverse screen - Black

VAT included
  • W900 men's running stopwatch reverse screen - Black
W900 men's running stopwatch reverse screen - Black
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Our dedicated team of runners has designed this watch for you so you can time your performances and program your advanced interval training sessions.


Parameter measurement

Featuring dual time zone, stopwatch, back-lighting, alarm, date.


Program your training using its countdown function with 5 split-timers.


No problem for watersports: Your watch is waterproof to 10 ATM.


Personalise your watch: select your strap colour (extra option)!

Water resistance

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


Thanks to its mineral glass and metal crown, your watch is scratch-resistant.

Easy assembly / dismantling

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

Ease of use

Easy to adjust, with the icons on the screen.


Time your outings

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

Improve your performance with a complete interval training mode

Programme advanced interval training sessions with this function:
- warm-up time (WARM UP)
- acceleration / speed exercise time (RUN)
- recovery / slow exercise time (REST)
- number of repetitions (REPEAT)
- number of series of RUN+REST exercises (SERIES)
- inter-series rest time (BREAK)
- recovery time (COOL)

Dual time zone

Set 2 time zones on your W900 M watch: that way, you can check the time both at your place of origin and where you are now.

Top-of-the-range materials

We've used top-quality and reliable materials for this watch to meet your sports and everyday needs: It features a steel and ABS casing for a high-quality durable finish, with scratch-resistant mineral glass.

Waterproof to 10 ATM

No problem for watersports, your watch is waterproof to 10 ATM (100 m)! The buttons are built so they can be used underwater without affecting waterproofness.

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 STRAP M (or Swip strap) are compatible with the following models: W500 M Swip, W500+M Swip, W700XC M Swip, A300 M Swip, A300+ M Swip, Swip DIGITAL M, Swip ANALOG M and X-Cross 400 M.

Tips for storage and maintenance


Test product

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.

Parts guarantee

Availability of the parts (battery and wristband) needed to use the product: 2 years