Circa 1940, the twenty-four hour black dial signed GCT with white Arabic numeral hour indicators, with central second hand sweep and outer seconds' register, works signed Hamilton Watch Co. / USA / 22 jewels, serial #4C89493, model 4992B, case interior signed Star Watch Case Co. / Base Metal / P120747, case exterior engraved Watch / Navigation Master / MS 28076 / DA 36-038-ORD-21409-M / Serial No.24892 /Hamilton Watch Co. / U.S.A.F.

Case 2 in. diameter

Collection of the late Edwin Hash of Greensboro, North Carolina

Good cosmetic condition; not running.