Lte Antenna On Apple Watch Series 3 Display Screen Apple Watch Series 3

Chosen Solution

Where is the actual LTE Antenna placed on display screen?

Its not mounted on the screen directly, its sandwiched between the case and the screen. Here’s an image of it from the Apple Watch Series 3 Teardown

And if you watch the Apple Watch Series 3 Teardown and Comparison! (GPS vs LTE) video Alex talks about it in more detail.