Pointer Date, how does it work?

First post on the site!

I've been looking into getting a pointer date watch and I'm especially interested in the Farer Lomond II. The price is right and I love the look. I'm curious if anyone more knowledgeable than I am can shed some light for me about how the pointer date function actually works. From what I can tell the Farer Lomond II uses the Sellita SW200-1 or the SW221-1. When I look up just the movement they are both shown with a more standard date wheel/disc.

So my…

Pointer Date, how does it work?