purpose of subdials?

[dave123]

Hi guys,heres a noob q...

The TT nav. has 3 subdial,3/6/9 the one at the 9 is the second hand and i cannot figure out what the other subdials do?,when i use the stop watch function they don't move,so what is there purpose?...thanks

 

[MICAVI]

Watch em long enough and they'll do something. If not your watch is broken.

 

[MICAVI]

http://www.chronomaster.co.uk/chronogra ... tions1.htm