The Mk III features both a screw-down crown and screw caseback
This produces a far more durable finish that will not fade or rub away during normal use
Even hardened mineral crystals simply cannot match sapphire when subjected to demanding conditions
the AN-6530 design replaced the nearly identical USAAF B-7 goggle produced by Chas Fischer Spring Company of Brooklyn
offering additional crown protection
WWII 1940 Pattern American Army Ordnance / ORD Watch (Hand Wound Mechanical Version) hybrid The Mk III features bothSKU: ORD1 HW In WWII, Ordnance watches were made for the US military by Waltham, Hamilton, Bulova, and Elgin. The original watches were made of nickel plated brass because wartime conditions precluded the use of stainless steel. Consequently, the original watches were not very durable, making it challenging to find one in good condition today. The original watches were very small, measuring 33 34mm, but we have increased the size slightly to 36. 5 mm