Our dedicated team of runners has designed this watch for you so you can time your performances and program your advanced interval training sessions.
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 robust 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.
Support period for security updates
Security updates until at least: 31/12/2025
Looking for a robust and elegant watch to track your running sessions? Customise your training with its advanced interval training mode!
Our dedicated team of runners has designed this watch for you so you can time your performances and program your advanced interval training sessions.
DECATHLON 
