My son has the Sky Dweller on a Rubber B and this a great fit. I regularly put it on my wrist and It is well balanced, no top heavy feeling. Rubber B produces bracelets for known brands. Quality and tailored fit are part of the DNA.
Finally,.....after a few years, I was able to bring this nice watch to the collection 🍻 I do have a few other RLX models on Oyster bracelets, so contemplating to go with a white or dark blue, good quality vulcanized rubber strap.... Most likely Rubber B, ...
Tried RubberB on my deep sea. It also depends on your wearing habits. The large and heavy head makes rubber uncomfortable unless you strap it tight. As I prefer it a bit loose, and to shake the wrist from time to time, with the watch, bracelet is a better...