There's not much in the way of physical instructions that come with the Apple Watch, so consider this your quick-start guide to this ... back of your Apple Watch (Series 3 or earlier) and single ...
In 2021, Apple unveiled the Apple Watch Series 7 with a more durable and larger display, now with 41mm and 45mm options. The Watch is more crack-resistant and can charge faster than previous models.
The Apple Watch Series 7 has a bigger, brighter, and tougher display that extends to the edge of the device. There isn't any flashy new gimmick or headlining health feature in this model ...