will this a match for my lock

A handy person says:
Please see my images, it seems like 90-297 is match for my lock, but cannot see the back, can you double check it for me. thanks!
User submitted photos of a window lock.
Profile picture of Tom
Tom from SWISCO responded:
The inside locking mechanism for the 90-297 appears to match yours, yes. However, it looks like your overall backset extends further than the 90-297 at 1". The backset compared to the opening between the "prongs" seems to be the same at 11/16", but I'm not sure if that difference will affect the installation of the 90-297. Will it still fit on your window?
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