Though there aren’t many occasions when you’ll need to know which Apple Watch you have, it’s essential for finding a compatible Apple Watch band, passing it on to a friend or family member, or trading it in. Find your Apple Watch model numberOn the menu, tap ‘General’, then choose ‘About’. You should now see the watch’s model number – usually five digits beginning with an ‘A’. Go to Apple’s websiteVisit support.apple.com and type your model number into the search bar. Top tip: You can also find your Apple Watch model number using the Apple Watch app on your iPhone.