WWII 1940 Pattern American Army Ordnance / ORD Watch (Automatic) Classic 40mm Hybrid and Automatic Pilots Watches Synthetic sapphire is by far

Synthetic sapphire is by far the best material for watch crystals due to its exceptional strength

mantelpiece

whereas NATO straps have thinner and more rectangular buckles

Movement: Ronda 517 Day/Date

WWII 1940 Pattern American Army Ordnance / ORD Watch (Automatic) Classic 40mm Hybrid and Automatic Pilots Watches Synthetic sapphire is by farSKU: ORD1 AU During WWII, Ordnance watches were produced for the US military by Waltham, Hamilton, Bulova, and Elgin. Due to wartime conditions and material shortages, these original watches were made of nickel plated brass instead of stainless steel, making it difficult to find one in good condition today. The original Ordnance watches were small, measuring 33 34mm, but we have slightly increased the size to 36. 5 mm (excluding the crown) and 39 mm