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[bug?]255 will be faster by 2~3 seconds by a hour

Because i found Garmin's time has a gap with the official  race time

So I took my 255 to compare with the timer of my cell phone

Garmin watch will be faster by 2~3 seconds by a hour

for a full marathon 4 hours can have over 12 seconds gap

I don't know if this is an isolated case ,but its really disappointed

0 ovekvam over 2 years ago

I would assume that the watch would use GPS time, which is super accurate.

0 runaway580 over 2 years ago in reply to ovekvam

I use running mode ,it should be GPS time,

its weird

0 Tom Hale over 2 years ago in reply to ovekvam

That's a bug. When things are measured in microseconds or milliseconds, 12 seconds is an eon.

0 Tom Hale over 2 years ago

Just to be clear - is the Garmin recorded time lesser or greater than the official race time?

0 runaway580 over 2 years ago

well i record video for 3 hours , with 235 and 255 ,press start and stop at same time

at first ,time is same , and you can see after 2 hours later,the gap is bigger

0 Tom Hale over 2 years ago

Garmin has crap bug tracking. The only way I know to get official attention is to email:
[email protected]
and ask for a ticket number so that you can ask them about updates.