The Globetrotter is the same basic strategy, but in the context of a top-down view of the Earth. This is actually not a necessary feature in a traditional world-time watch based on the original designs of Louis Cottier, who developed the modern world-time complication in the 1930s and produced it perhaps most famously for Patek Philippe. The basis of a conventional world-time watch is a rotating 24 hour dial, which lets you read off the time in various time zones based on reference cities shown in the outer dial. Watches that show the time in different parts of the Earth via an actual rotating globe are much rarer, and are, arguably, as much astronomical complications as they are world time complications – one (very sophisticated) example is the Greubel Forsey GMT. Another is Ulysse Nardin's Tellurium Johannes Kepler, from 1992. The Globetrotter shares with that watch a rotating Northern Hemisphere, as well as the strategy of having the hour and minute hands run under the edge of the hemisphere, so as to keep the focus of attention on the Earth.