F.P. Journe

CL
898

• Show profile
• Show other posts

Accuracy Check on my Journe Tourbillon.....

inspired by ThomasM
Just for fun.
The watch is Fully Wind and strap on the the wrist from 9am till 7pm and then put in the watch box , dial up till the next morning 9am.
Never rewind and I just the power wind down by itself to see how the time will drift

At 9am, the watch is in sync with NIST web clock.
At 11.40pm (after 14 hours and 40 minutes).........1 sec slower compare to NIST web clock
At 9am Day 2 (24 hours since the last full wind)...........2 sec slower compare to NIST web clock
At 11 pm Day 2 (38 hours since the last full wind) ............3 sec slower compare to NIST web clock
At 9am Day 3 (48 hours since the last full wind) ...........4 sec slower compare to NIST web clock ( note that the Power Reserve mark on this Tourbillon is only up to 42 hours
and at this moment, the remontoir springblade is no longer clicking)

Conclusion, the watch is slow by 2 sec a day consistently from full power till almost the end of power.
Also note that I was informed by Journe Atelier that the watch has never been service (it was manufacture in 1999), even though the seller was told that it has gone for routine service 2 years ago by the original seller.

I'm not familiar with the results on timechecking so I'm not sure if this watch is considered accurate since it is 2 seconds slow each day.
But at least I know it is consistent
This is not an official test but just something I find it interesting .
Lovesss*CL

Site Info.