This piece of Admiral Vintage Pocket watch was produced in the early 1920 by Tacy Watch Company. It is manufactured in Switzerland for the US market. Design of this watch is similar to the railroad standard watch in US or Canada. Case is 54mm Gold-filled. Manual winding with 7 Jewels, adjusted to 2 positions.
Tacy is a combination of TAvannes and CYma. Admiral, Tacy, and Cyma were among the trademarks used by the Tavannes (pronounced Ta-VAHN) Watch Company, which had their factory in Tavannes, Switzerland and were a large-scale watch manufacturer.