1940 WWII Seth Thomas U. S. Navy Mark I Deck Clock Brass Working with Key

Authentic vintage Seth Thomas U. Navy Mark I Deck Clock, dial dated 1940, made in the USA. This is an original U. Navy mechanical deck clock from the WWII era, manufactured by Seth Thomas. MARK I – DECK CLOCK. MADE BY SETH THOMAS IN U. ST / MADE IN U. The 5184 marking identifies the Seth Thomas movement type. The 10-42 marking is believed to indicate October 1942, likely related to the movement production or period service/replacement history. The clock is fully working and tested. The mechanical movement runs confidently and consistently, and the time-setting and winding functions operate properly. A correct-size brass winding key is included. Clock / front case diameter: 7.25 inches. Rear mounting housing diameter: approximately 8 inches. Navy Mark I Deck Clock. Seth Thomas, Made in U. Navy number N 4654. Seth Thomas movement No. Heavy brass front case/bezel. Original rear mounting housing. Brass winding key included. Fully working and tested. The clock shows authentic age-related patina, scratches, discoloration, surface wear, and other signs of use consistent with its age. The brass retains its vintage appearance and has not been aggressively polished. The glass, dial, case, and mounting housing show normal wear from age and use. Please review all photos carefully for exact cosmetic condition. This is an impressive and collectible World War II-era U. Navy maritime clock with a working Seth Thomas mechanical movement and strong original character. The clock is currently running properly. As with any vintage mechanical clock, future servicing and long-term timekeeping accuracy cannot be guaranteed.