Hamilton Watch Co.,
No. 642887, Brotherhood of Locomotive Firemen & Engineers Official Standard, in BLF&E monogramed case
19-jewel Grade 999 18-size, concentric damascened full plate movement signed "Official BLF&E Standard, Ball Watch Co., Cleveland O.", jewels in settings, adjusted to 5 positions, double roller escapement, bimetallic balance, overcoiled spring, swan's neck regulator with index on balance cock, stem wound, lever set, restored white enamel dial signed "BLF&E Standard, Ball & Co. Cleveland, O." with black arabic numerals, subsidiary seconds, blued Ball patent arrow and dot hands, Ball Model 20-year Keystone open face case, engraved with BLF&E monogram
55mm