3 ms·
You would probably use a chronometer: "The precision of a COSC-certified chronometer must be between -4 and +6 seconds per day." https://www.cosc.swiss/cosc-f
by fainpul 9mo ago
You would probably use a chronometer:
"The precision of a COSC-certified chronometer must be between -4 and +6 seconds per day."
https://www.cosc.swiss/cosc-faq https://www.cosc.swiss/cosc-faq