Sadly due to semiconductor shortage, physical Suica cards are
very hard to come by atm:
https://www.timeout.com/tokyo/news/sale-of-pasmo-and-suica-c...FWIW I've been using Suica on a Japanese Garmin smart watch and refilling it with Google Pay on an international card without too many problems (and before that with Apple Pay with the same card on iPhone/Apple Watch), although there are probably some gotchas (Apple Pay at POS seems to be pretty hit and miss for in Tokyo and I've never figured out why).