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Flaxmoore · 13 April 2009, 03:44 AM

I admit I'm a relative newcomer at this, but something's bothering me.

The smoothness of sweep for a watch second hand is partly influenced by the beat rate of the movement. 28.8K is nice and smooth, 21.6K less so, 14.4K stutters a bit, like this junker a friend let me have to see how it works.

Considering that's beats per hour, it makes sense. Each "jump" of the second hand takes 1/6 of a second, faster than the "shutter speed" of the eye.

However, the beat rate of a quartz movement is 32K per second. Blindingly fast compared to mechanical. Why isn't there a glass-smooth sweep second hand quartz watch? What am I missing?

13 April 2009, 03:44 AM	#1
Flaxmoore Member Join Date: Dec 2008 Real Name: Casey Location: Toledo, Ohio Watch: Alpha Milsub Posts: 704	Why is there no sweep second hand in a quartz watch? I admit I'm a relative newcomer at this, but something's bothering me. The smoothness of sweep for a watch second hand is partly influenced by the beat rate of the movement. 28.8K is nice and smooth, 21.6K less so, 14.4K stutters a bit, like this junker a friend let me have to see how it works. Considering that's beats per hour, it makes sense. Each "jump" of the second hand takes 1/6 of a second, faster than the "shutter speed" of the eye. However, the beat rate of a quartz movement is 32K per second. Blindingly fast compared to mechanical. Why isn't there a glass-smooth sweep second hand quartz watch? What am I missing?

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