I used a watchdog for years (along with ICOs and a Pacemaker), no complaints with the watchdog. I've never used a Trailtech, MIGHT be more user friendly if you just want to trailride and need an odometer, speedo, or clock maybe? But if you're going to ride any enduros get the watchdog, even if it's restart/National format rules where you don't NEED to timekeep it's still nice to have.