Time is also a dimension

Time in two different dimensions .... differ by 5 minutes.

This is not a visual illusion. The two watches differ by 5 minutes ( 2:53 & 2:58 respectively). 

I should have taken the pic when the minute hand (on the left) was yet to strike 12 and the one on the right had crossed 12 - that would have made the difference between the two watches easy to fathom visually (and would have made me late for my appointment also).

This one is more pronounced and easy to detect.