* Symmetry and Balance: The hands form a visually pleasing symmetrical shape, creating a sense of balance and harmony within the ad. This helps to draw the viewer's eye to the watch itself.
* Readability: The hands are positioned where they are easy to read and understand at a glance. The numbers are clearly visible, and the overall design feels clear and uncluttered.
* Positive Association: The number "10" is often associated with positive things, like the ten commandments, the ten best, etc. It can evoke a sense of completeness and success.
* Tradition: This practice has been around for a long time, and many watchmakers have adopted it as a standard. It's almost become a subconscious expectation for viewers to see this time on watch ads.
While there's no official reason or rule for using 10:10, these factors all contribute to its widespread popularity in the watch industry.