Fixed lugs for the military strap to go through, thus providing a stronger hold (than the normal flexible pins fixed on civilian watches) to rough out through the critical condition during war time.This is an important feature of a military issue watch, evidencing its age and authenticity as an army watch issued for the war.Photographed here next to an EXTRA LARGE LONGINES WITTNAUER vintage X'mas Card, meant for military officers.Although today () is the last day of X'mas, trust you won't mind this beautiful watch as a late X'mas gift !!!! Double hinged case backs, fully signed and lugs allow the military strap to go through, thus providing a stronger hold (than the normal flexible pins fixed on civilian watches) to rough out through the critical condition.simply used their best complying stock movement, JLC actually designed a new caliber, Caliber 479 used exclusively in their Mark X watches.The population of both IWC and Omega's military and standard watches housing Cal.They were attached to the arm with long leather straps that fit around the outside of the flying jackets.Contracted by German Airforce from several fine Swiss & German manufacturers all to the same very high specification.
Case measures 40mm including crown and 45mm lug to lug.
Inner case back is also fully hallmarked by Omega and referenced with the exact same case ref number.
One of the most interesting features about military watches is that in most cases, issue records are kept by the Army, Navy and RAF that can identify a particular watch from the details above to a particular serviceman that has been issued with the watch.
With a striking & significant red ANCHOR below , associating it to the IMPERIAL NAVY.
These large watches contained high-quality pocket-watch movements for use in aircraft navigation.