Introducing Apple Watch 10 -- with biggest-ever display and thinnest design & Apple Watch Ultra announced

Apple Watch turns 10 this year

40 percent brighter display for quick glances at any angle.

Series 10 packs Apple's first ever wide-angle OLED display in Apple Watch.

There's also a new color option: Jet black. The case is made from "a durable aluminum alloy and polished." William says that it goes through a 30-step anodization process. Silver and Aluminum case options remain for those interested.

Titanium option replaces stainless steel version.

Apple Watch features -- like double tap, emergency SOS, fall detection and more.

Apple Watch 10 health features

These include loud environment warnings and medication reminders. There's also body-temperature tracking overnight and cycle tracking. With the Series 10, the Apple Watch can help with sleep apnea.

Series 10 has lot for outdoor environments, including water. The redesign of Series 10 makes it better for workouts, Arney said, since it's lighter and has a bigger screen to more easily see workout stats. The workout app will show water temperature during swims. The new Tides app will help track times of day for changes to water level, and includes "data for coastlines all over the world."

Apple Watch Ultra

Apple Watch Ultra is Apple's smartwatch designed for athletes. But mind it, there is no third-generation version of Apple Watch Ultra. It is updated Apple Watch 2. Apple Watch Ultra comes with a new finish – Satin Black'