TAG Heuer S/el CG1123. Back to display days of the month?

Posts
8
Likes
0
I owned a CG 1123 and other day I notice that the days of the month no more are on display and now it´s showing two letters - Ad.
I can t get the days of the months back. How can I do a reset? The crono it,s quite complicate and I have no catalogue.
Thanks
Pedro
 
Posts
23,590
Likes
34,124
Mspeedser posted some instructions around here somewhere...