Iphone/Iwatch Notifications
My Iphone and watch will not send notifications at the same time.
Apple Watch Series 4, watchOS 5
Question marked as
That is correct. Notifications go to either your Apple Watch or iPhone, but not both. If your iPhone is unlocked, you'll get notifications on your iPhone instead of your Apple Watch. If your iPhone is locked or asleep, you'll get notifications on your Apple Watch, unless your Apple Watch is locked with your passcode. For more info, see:
Notifications on your Apple Watch - Apple Support