Welcome aboard! I'm with Jack Straw in thinking a tidy stem-mounted analog clock might be a lot nicer looking, more in keeping with the bike's "retro" vibe, and less trouble to mount besides. You can see our Forum host Hitchcocks' British made offerings for the Interceptor or GT here:
https://accessories.hitchcocksmotorcycles.com/s.nl?ext=F&sc=1&category=&search=Stem%20nut%20clock%20interceptor, and their prices are pretty much in line with eBay's.
That Amazon doodad is just way too "digital" for me...OK, it's ÜGLY with an umlaut. There. I said it. I think it looks like a medical monitor for dialysis or something. It's also kinda pricey. My hunch is you'd find the same or better on eBay direct from the Far East for maybe half what Jeff Bezos is asking.
Although I do rather like the look of those stem-mounted clocks, I have rather purposefully never got one for my Bullet. I simply don't
want the time ALL the time in the saddle. Instead, I've got a sort of semi-goofy baroque "steampunk" sort of wind-up pocket watch in my Belstaff riding jacket's breast pocket attached to a longish chain fob secured to the pocket, so I can easily and securely whip it out when needed. It's been sturdy, keeps remarkably good time and cost me something ridiculous like $4 delivered off eBay a few years back.