Download this
http://files.filefront.com/PULL_DOWN.../fileinfo.html
open and check for
Code that has been changed in the "menu_1024_768" document
Find the "Smaller Clock [G29 I1]-[G29 I15]"
And paste that in
C:\Program Files\Ubisoft\Silent Hunter 4 Wolves of the Pacific\Data\Menu
menu_1024_768.ini (open with notepad)
That will make your chrono 75%
Or simply.
http://www.subsim.com/radioroom/showthread.php?t=108917
Kudos to "chomu" for this one