Inner case back fully hallmarked & referenced with numbers matching those on the movement.
An unique difference with the other Blancpain Fifty Fathoms is the lack of numerals on the bezel, setting it apart from the norm.
Inner case back fully hallmarked & referenced with numbers matching those on the movement & museum archive paper.
Inner case back is also fully hallmarked and referenced. The reinforced case is a lot thicker than that found on civilian Omega watches from the same era.
The six grooves on the waterproof case back, screw down and lock perfectly and tightening down smoothly into the case body.
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.These famous high grade B-Uhr were given stringent Chronometer testing before being issued to the Pilots and navigators of the Luftwaffe.Contracted by German Airforce from several fine Swiss & German manufacturers all to the same very high specification. Housed in a huge 100% original snap back Case with reference number FI 23883 at the side with a diameter of 55 mm.Dial is signed with Omega logo, Arrow Mark and SWISS MADE.Original OMEGA military BROAD hands set in mint condition with luminous.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.