Hi Silvia, As users we do not know why a third party clock face is different from the Fitbit versions. We choose these clock faces because they better serve our needs than the Fitbit clock faces. As I mentioned before, I had the watch for a long time and tried may clock faces. My need is large text clock with additional information around it. Unfortunately, Fitbit does not cater for such basic need! I am almost sure the problem I experienced is a bug related to the connection of the cable to the watch. I could not access any clock face (read my initial comment). On the other hand, if third party clock faces do not fully comply with the watch, this should be the responsibility of Fitbit to sort it out.
... View more