I've had pretty good luck with my Omega watches and good time keeping
My Grey Side of the Moon most recently ran +0.5 sec/day over a 10 day period last month
My Ti Planet Ocean 9300 runs between +1 to +4 sec/day (avg +3.3 for the past year)
My Ti Planet Ocean 8500 runs consistently about + 2.5 sec/day
My Planet Ocean LMLE runs anywhere between -1 to +2 sec/day
My Planet Ocean 2201.51 ran + 1.5 sec/day for over a year before I sold it
My Speedmaster Pro Speedy Tuesday ran +2.7 sec/day over a 2.5 week period when I first got it (safe queen now)
My Speedmaster Pro 3570 runs about +5 sec/day on average
My Speedmaster pro 3572 runs about +3.8 sec/day on average
My Speedmaster 145.022 from 1976 runs between +0 to +2.5 sec/day consistently (avg +0.8/day)
My Speedmaster X-33 runs + 3 sec/YEAR (quartz)
My Seamaster Pro ceramic chronograph has averaged + 1.5 sec/day since I got it in 2015
My Seamaster Pro ceramic ran -0.1 sec/day over 60 days when I sold it, and averaged +0.9/day over the 3yr I had it
My Seamaster 300 WatchCo runs between -1 to +3.8 sec/day, depending on what I'm doing (avg of +2 sec/day)
My Ti Seamaster Pro 300 blue wave chronograph ran +2.7 sec/day over a 4 week period the last time I checked it