NeXtimes Big City (43cm) silent wall clock in glass is a best-selling world clock designed by Hans Muller en Hans van Dongen. It displays 3 additional time zones, allowing jetsetters to immediately get a global perspective at just one glance. The black glass dial with white silkscreen print makes it a very outstanding wall clock for the interior. Great for offices (or home offices). This clock runs on 4 x AA battery (not included)