Porsche Design by Orfina Chronograph 1 Ref. 7177 on BundThe PD on Bund stylePorsche Design supplied the reference 7177 to many military forces and also sold them commercially, such as this example. The 42mm case is in as new condition, only showing slight marks from storage over the decades. The black dial features three sub dials and also two cool orange hands one for the stopwatch hand and the other in the hours counter. The dial features the 3H marking, which signifies Hydrogen 3 or as we know it better