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The watches (at least the modern ones) don't, but I believe the railway station clocks do for maintenance/reliability reasons.
If I'm not mistaken, the clocks are designed to run quite a bit too fast but pause (and wait for a "go" signal before continuing) every time they reach a full minute. This way, even a wildly inaccurate clock (specimen) will never differ from official time by more than a second or two, and for railroad travellers, always having the time with a probable error of one second and a worst-case scenario error of less than two seconds is much more important than having the time with probable error of a few milliseconds and a worst-case scenario error of several minutes. - Tournesol (talk) 11:02, 9 October 2009 (UTC)[reply]
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