My new Rolex SDDS is running at a remarkably consistent -3 seconds slow every day. I check it daily at the same time, developing OCD, and every 24 hours it has gained exactly 3 seconds. No matter what activity I do or whether I wear it all day and night or just part of the day, -3 seconds it is! That consistency of course is testimony to great watchmaking and adjusting in 5 positions, and also is within COSC standards.
However......I have just been shown a piece of Rolex official info that says the timing can be adjusted by a few seconds each day depending on the position it is placed in at night. If left case down, face up, it says it will gain a couple seconds.
The question is - does this work?
I shall re-set my watch tonight to exact time, and try this for the next week and see. But would appreciate comment and experience?