I have recently bought the original bracelet for a 25 years old -and since many years discontinued- TAG Heuer (the 6000 Senna) in my AD in Barcelona. It took just one week to arrive, and at a very reasonable price. I had no problem either to find the leather strap for another 25 years old TH: my S/el... so I don’t think TAG Heuer will stop to sell straps and accessories for the Connected Modular just because it’s now discontinued, and mostly when they sold 50.000 of these watches!
My AD also told me there will be no problem to find straps for the Connected Modular in the future, and that they can easily find straps for the 1st gen Connected, which was discontinued 2 years ago, so the problem with
@TjPhysicist seems the TAG Heuer service in Canada, not the lack of these accessories from the factory