I think it's time for you to go dig up the Dawn and give it a read.
I think it's important for a cosplayer to be reasonable well-versed in whatever character/style/fashion era they wish to play.
As for stylistic choices, it's all up to you and what resources you have on hand. I would layer a pair of white gloves under the black, but if you can find multiple rings that will go that far down on your finger, you can try that. I've always imagined Young Walter as a bit of a fop, so I would have plenty of excess metal adornments anyway. Never feel afraid to bring a touch of your own personal style to the costume.
The tie? Well, it would depend on what the color pallet is for the rest of the outfit. If there was no other red in the costume, I wouldn't make the tie red.