IWC International Watch Co. Niello-cased Pocket WatchFor sale is a Niello cased IWC calibre 52 pocket watch, circa 1916. Niello is a special black metallic alloy of sulfur with silver. That is used to fill designs that have been engraved on the surface of a metal. The dial is recessed enamel and quite clean, and […]
Tags: international, niello-cased, pocket, watch
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