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@Gordon
I know photographing this sort of thing can be tricky, but from what I can see there I'd say it's expected. I've put a quick sketch below of the kind of backlight pattern I'd expect on the screen.
As I understand it, the issue is that the back of the LCD has to be mostly reflective so it can be seen in daylight - it means the backlight is shoehorned between a reflective back and the LCD panel and it's hard for them to get an even distribution of light.
It's not because it's a cheap display either - it's made in Japan and I believe the display assembly is the most expensive bit of the watch by some margin.
Interestingly a lot of watches using this kind of display tend to ship with a watch face that's a black background with white text, and I wonder whether it's an attempt to hide any backlight unevenness.
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