Also had the chance to try it on and while I like the proportions I preferred many of the details of my tried and true Pelagos 41mm blue -- matte finishes on dial and bezel, ability to grip the bezel with dive gloves or when wet, raised rehaute and deeper applied indices, overall balance. Honestly, I think the new downsized model is benefiting a bit from the current Tudo halo. I'd take the original over the 39mm if it fits, and the BB58 hands-down over the Pelagos 39 -- it's just a more complete and balanced design, IMO.
And if I owned a PO that I liked. I see no reason to trade down for the 39mm Pelagos.
Honestly, I prefer this l'il guy: