... has accumulated a two seconds gain total after 120 hours of test. It has also shown rest position has influenced gain (dial up) or loss (dial down) in one or two seconds in one night.
I look forward to the reports of other participants of this test.
As a side note and connected with our talk in another post about hardness of winding of new Speedmasters: my watch has one of the hardest to wind crowns of all my Speedies and leave my thumb and index fingers sored. It is a real pain to wind it! Lol!