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992B vs 950B

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Specification

Hamilton

992B

Railway Special

Hamilton

950B

Railway Special

Production1940–19691940–1969
EraAmerican production, Lancaster PAAmerican production, Lancaster PA
Statusdiscontinueddiscontinued
Case materialSupplied uncased; period cases are gold-filled or base metal
Construction16 size in the American convention — a MOVEMENT size, not a case diameter. The case was bought separately and its dimensions are a property of the case maker rather than of the watch.16 size in the American convention — a MOVEMENT size, not a case diameter. The case was bought separately and its dimensions are a property of the case maker rather than of the watch.
MovementManual winding, lever setManual winding, lever set
Caliber992B950B
ManufacturerHamilton Watch Company, Lancaster, PennsylvaniaHamilton Watch Company, Lancaster, Pennsylvania
Windingmanualmanual
Jewels2123
ComplicationsNone; railroad-grade timekeeping only
AliasesNo. 992BNo. 950B