This awesome maritime hourglass was issued by the National Maritime Historical Society in limited edition and manufactured by the Franklin Mint. Dimensions with Base: Height 10 and 1/4 inches, Diameter 5 and 1/4 inches It is a fully functional re-creation, crafted in precision cast metal, glass and gold-plated accents and embellished with a fish sculpture crafted in pewter and plated in gold. The glass ends of the hourglass are embellished with astronomical zodiac constellations.