D_Master,
Код:

#include <GUIConstantsEx.au3>
#include <StaticConstants.au3>
#include <WindowsConstants.au3>
#Region ### START Koda GUI section ### Form=
$Form1 = GUICreate("Form1", 625, 445, 214, 161)
$Label1 = GUICtrlCreateLabel("Label1", 80, 64, 252, 65)
GUISetState(@SW_SHOW)
#EndRegion ### END Koda GUI section ###
While 1
$nMsg = GUIGetMsg()
Switch $nMsg
Case $GUI_EVENT_CLOSE
Exit
EndSwitch
GUICtrlSetData($Label1,@HOUR&" : "&@MIN&" : "&@SEC)
WEnd