c.1950, marked “LeCoultre & Co Switzerland” on reverse side of metal clock case, marked “LeCoultre” on clock face, also marked “Fifteen 15 VXN Jewels” as well as “LeCoultre”, “Switzerland” and “Atmos” on hands mechanism, marked model “INCA 5090” at lower left rear corner, also marked “28063” on clock top, round enameled face having brass digits, plated brass and acrylic case, stepped plinth base with canted corners, leveling screws and spirit level in base