Breguet Marine Hora Mundi

The world-map dial of the Marine Hora Mundi 5557 achieves its stunning visual depth with the use of superimposed plates, as traditionally guillochéd ocean waves on a gold base plate wash up against the filigree, turquoise-edged continents depicted on a sapphire crystal pane positioned above it, which also hosts the longitude lines. A tiny sun and moon indicate day and night in a window at 4 o'clock. The world cities representing each time zone time zones rotate on a disk at 6 o'clock inside a semicircular window, with the city of the local time indicated by an anchor symbol.