Elgin Pocket Watch: Serial Number T419048 (Grade 539)
Elgin 539 with replaced balance cock and balance complete from Elgin 554 - Regulation, Watch Performance and Timing Machine (Timegrapher) Readings/Results - Watch Repair Talk
Elgin 539
The simple but effective hacking mechanism of the original WWII Elgin A-11 US military watch (Elgin 539). This allowed troops to sync up their watches more precisely and proved to be incredibly
1945 ELGIN WWII Military Watch Ref. 6608 Grade 539 U.S.A. Service Watc – SECOND HAND HOROLOGY