I think you need to understand that it is of the same quality... except fit and finish is not something that is a measure of quality to japanese makers... you can get some very expensive J-knives with unrounded spine and choil because frankly their normal market doesn't care about it.
I still think the profiles are the same. Just camera angles playing tricks...
You have to make the call if you want to keep it or not, we can't help you on that, just point out some realities of this market (aka spine and choil rounding isn't always gonna happen). And remember, one can never have enough gyutos ;-).
If you decide to return it, then I would suggest filling in the questionare and high lighting the non-negotiable points (aka you want a double bevel kiritsuke as opposed to a k-tipped gyuto). If its out there someone on here has one or has tried one.