Specs here:
https://www.smith-wesson.com/firearms/model-360-357-magnum38-sw-special-p
I don't know for sure, but it might be a Davidson’s / Gallery of Guns exclusive.
https://www.ammoland.com/2017/03/davidsons-new-smith-wesson-exclusives/#axzz6Byf822Zs
I will include a gun case, gun lock with 2 keys, two leather 1791 OWB holsters (left hand and right hand) and 2 speed loaders.