They can be found in a clock tower, in the booking hall or office, on the concourse, inside a train shed, on or facing the station platforms, or elsewhere.
[1] In 1953, Hilfiker added a red second hand to its design in the shape of a railway guard's signaling disc.
[2][3] Modern European station standard station clock designs have a white clock face that is illuminated in the dark, bar shaped black coloured marks or scales, but no numbers, at the periphery of the clock face dial, and bar-shaped hour and minute hands, also coloured black.
The second hand on these standard designs is a thin bar, thickened or fitted with a disc at the peripheral end, and often coloured red.
[2] Media related to Station clocks at Wikimedia Commons