Question

why in every watch advertise it show 10:10

Answer 1

The 10:10 position gives the clock or watch a number of benefits: The hands are not overlapping, so they're fully and clearly visible and their styling can be admired. The arrangement of the hands is symmetrical, which people generally find more pleasant than asymmetry, making the product more appealing to customers.

Answer 2

Having them on both sides of the watch face ensures that the hands themselves are visible and can be appreciated. The position also allows the hands to look nice on the face of the timepiece. ... Another reason is that key details on the face of the watch or clock usually remain visible at 10:10.