Sunday, den 9. April 2023
1939 Hamilton 992E, 21J, RRgrade pocket watch in’Hamilton’ display caseA’992E’ should be in everyone’s collection. The invention of’Elinvar’ was a historic milestone in solving the problem of magnetized hairsprings. The other American manufacturers all developed similar alloys around this time as well. This 1939 Hamilton 992E is very clean. PLEASE READ THIS: My guarantee is […]
Tags: 992e, case, display, hamilton, pocket, rrgrade, watch
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