Here is how Amazon Alexa works on Apple Watch – How to activate? Explained here | The Financial Express
Fitbit Sense vs Apple Watch: Die Top-Smartwatches im Vergleich
Amazon.com: Smart Watch for Men iPhone Android, Smartwatch with Alexa Built-in (Answer/Make Call), 1.7" Fitness Tracker for Heart Rate Sleep Tracking, 60 Sports, Blood Oxygen, Black : Electronics
Amazon.com: SKG Smart Watch for Men Women Android iPhone, Smartwatch with Alexa Built-in & Bluetooth Call(Answer/Make Call) 1.69" Fitness Tracker with IP68 Waterproof, 60+ Sports, Heart Rate SpO2 Monitor, V7 Pro :
Bring Amazon Alexa to Apple Watch with Voice in a Can app
Say "Alexa" to use Alexa on your Apple Watch - YouTube