This only partially ticks the box of "physical buttons," but this is what I use and don't regret it. Apple Watch cellular paired with Bluetooth earbuds (I prefe

This only partially ticks the box of "physical buttons," but this is what I use and don't regret it. Apple Watch cellular paired with Bluetooth earbuds (I prefer Powerbeats Pro when running) is a delightful and magical experience that I highly recommend.