A dramatic photo, from a vintage October 1939 magazine, of a Kawanishi E7K1 hoisted on the water. Note the 2-tone camouflage on the upper surfaces.
Any ideas about the ship?
gmmk11 suggested that the ship could be the Heavy Cruiser Chokai or Maya of the Takao Class and provided a link to an interesting message board.
So here's a photo of Chokai from a vintage publication around 1934.