Aqua Terra - One Year of Time Deviation Record

Posts
1
Likes
0
Hi guys,

I purchased my first Omega in June of 2020 and have thoroughly enjoyed every last second it has been worn on my wrist. Not long after the purchase, I noticed that the time was significantly different from my previous measure, and upon further research I learned that mechanical watches can never be perfectly on time due to factors outside of our control. But I decided that I would keep a record of how much time difference can be measured on a given week or month. I started keeping track in order to determine whether my watch was a defect since it was never "on time" or if it fell in the normal deviation of standard 8900 caliber.

One year of sampling is not much but it would be greatly appreciated if you could take a look at my findings and let me know if you see any outliers or if everything looks normal.
 
Posts
5,738
Likes
27,009
Looks normal to me, if you want it to be closer to the actual time it could be the way how you store it overnight in position dial up or dial down, etc.

For my Speedy with 3861 I was able to get a difference between -2/+2 sec to that day' actual time by storing if overnight in the position which gains or loses time to balance it daily.
 
Posts
2,661
Likes
3,539
Looks normal. That one 20 sec/day reading early in your list is a clear outlier, but I suspect user error on that one - probably misread the time on the watch. I suspect it was actually 12:55:23 (not 12:54:23), so would have given you a 0 s/day (which is more consistent with other readings).

The only other explanation for that large of a change would be the watch was nearly at the end of the power reserve, which is also possible.