Amazfit Watch faces

Howdy. I've tried creating a custom watch face for my GTR 3, using Version 16.1 of Watch Face Editor. It's based on the Zepp Health watch face 'Keep it secret'.
Although the watch face looks fine in the tool and in the preview, on the actual watch it is missing the numbers from the dials. (Day and ...

The watch face works on other models. The GTR3 cannot display this data using a font, so a set of images must be used instead.

Please note that the watch face preview is incorrect. The watch face contains many images that are not used.