Seth Thomas Brass Maritime Clock, Double Wind, fully functional Dated July 1939

Provenance Sheet: Seth Thomas Brass Maritime Clock. Seth Thomas Clock Company, Thomaston, Connecticut, USA. Solid Brass Case with Perforated Sound Cover. Unpolished, original patina preserved. (July 1939) stamped inside case. Mechanical, 8-day, dual mainspring (time + strike). Bulkhead or wall-mounted, typical of naval installations. Manufactured in July 1939, this clock predates the U. Entry into WWII and reflects Seth Thomas’s early naval production standards. This feature is consistent with pre-war naval clocks designed for both function and discretion. Original brass, unpolished with natural patina. Perforated brass side panel intact. Original winding key included. Functional; manually triggers chime, resets automatically. Preserving patina maintains historical integrity and collector value. Use dry microfiber cloth; avoid liquid cleaners or abrasives. Service movement every 5-7 years by qualified horologist. Advance minute hand slowly, allowing chime at each half hour. Keep in low-humidity environment; avoid direct sunlight or salt air exposure. Compare with Seth Thomas Mark I Deck Clock U. Scarce-pre-war brass-cased strike clocks with original components. Used for testing or manual bell activation in shipboard settings.