It does look like a nobile hybrid.
All of mine are budded now and some are in bloom already, which is too early and odd. can't complain, though!
Well, what climate are you in??
If it doesn't freeze, I would leave it outside a bit longer.
The canes are plump, so you've doing great job with watering. You can continue to do as you have. water when the potting mix dries up.
I wonder what the flowers might look like.
I have Yamamoto hybrids, Oriental Smile 'Fantasy', Spring Dream 'Kumiko' are in bloom, and Sea Mary 'Snow King' and Country Girl 'Warabeuta' are budded.
I love these!