On the normal Hermès watches for sure, not sure from which Series but it has nothing to do with the strap.
On Hermès Ultra you don‘t have the Faubourg Party watchface
I just picked up the Blanc Scub 'H for my Hermes UW3. Love the fit and feel, but the top piece is difficult to attach. Has anyone had issues with some lugs being a little more difficult than others to attach?
I have found it helpful to push down the center rubber piece of the attachment lug with a fingernail as i gently slide the attachment lug into the watch case slot