[time-nuts] My Casio G-Shock watch and other fun stuff

[Tom Van Baak]

> Now, I cannot actually say that the Casios or any other brands actually
> discipline their oscillator. I know that the cheap WWVB-locked wall clocks
> are not disciplined - if they're running fast 2 seconds a day, then every
> night they just jump back two seconds.

Correct. I have heard one or two brands of RC clock use a
disciplining model but most behave just as you describe.

Example: for plots of a Junghans RC wristwatch gaining
160 ms per day, every day, see:

http://www.leapsecond.com/pages/Junghans/

/tvb