• This is really interesting! Guess it will vary somewhat from watch to watch?

    On a tangentially related note, I was looking at the two temperature sensors earlier (barometer and internal temperature sensor), and I was surprised that they read pretty much the same. I don't know why I have in my head that another component might have a temperature sensor built in but not exposed... I might be misremembering something though.

  • @Mark_M

    Also does it show the watch RTC oscillator is not T compensated (not TCXO)?

    yep, TCXO would be much more stable over temperature range.

    @myownself

    This is really interesting! Guess it will vary somewhat from watch to watch?

    Most likely, and this article says that crystals have aging effect so it also depends on watch age.

    ... two temperature sensors earlier (barometer and internal temperature sensor) ...

    What internal temperature sensor ?

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