Wright is the label on it. Small crank knob. Opens from left to right so mechanism is on the inside right.
Photos are of the window on the left, not the broken on.
My name is Michael
Casey from SWISCO responded:
December 30, 2020
Hello,
You can start by comparing the dimensions of our 39-027E and 39-028E operators with 9" long arms to yours. These look like they may be a match but see what you think.