[time-nuts] Am I the only Time Nut who doesn't wear a watch?
drhydro at qwest.net
Mon Jul 11 21:14:43 UTC 2011
There's a good writeup on accuracy on wikipedia-
includes a handy table comparing mechanical movement and quartz movement
To be considered a chronometer, the daily rate must be within -4 to +6
secs/day. The stability of the rate over time is more important than the
(Interestingly- any quartz watch or clock I have is much more accurate
than my Hamilton Model 21 ship's chronometer!- a video of one of these
Paul Nelson W5GNF "When I go, I want to go quietly, in my
Ames, Iowa sleep, like my grandfather- not
Senior Engineer (Retired) screaming, like his passengers."
(DrHydro at qwest.net)
"More hay, Trigger?"
ex-Cessna 140 N77149 (sigh) "No thanks, Roy, I'm stuffed."
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