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Discussion Starter #1
I have bought a Rolex Cosmograph Daytona a week ago :)

I understand the auto-wind mechanism is bi-directional, so I will use that mode on a watch winder.

My questions :)

1/ How many turns/revolutions are needed to fill its power reserve 100% from empty?

2/ How many turns/revolutions are recommended daily to keep it running, if not worn?

I do plan to wear the watch daily, but there are times when I won't e.g. when I am home over the xmas and new year period.
 

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Daytona Cosmograph 4130 - CW (clockwise) 800-950 (turns per day) per Orbita
 

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Discussion Starter #4
Thanks

Thank you, I appreciate the info.

But really, this watch is not bi-directional auto winding? I thought it was.:confused:
 

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Thank you, I appreciate the info.

But really, this watch is not bi-directional auto winding? I thought it was.:confused:
Not the Cosmograph mov't.
 

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Discussion Starter #6

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Discussion Starter #7
...and of no relevance to my query, but I also found this fantastic little film:

 

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I do 32 full turns for winding and I remember that as guideline in general but it may differe for your model.

I don't wind it when I don't wear it.
 

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I was really surprised to read that, so spent some time reading about the movement on Rolex's site.

I found this: http://www.rolex.com/watches/cosmograph-daytona/m116523-0040/magazine/the-movement.html

"Additionally, the efficiency of the self-winding mechanism has been substantially enhanced, notably with a system of new‑generation reversing wheels that allow more efficient bidirectional winding."
Like I said, the info was per Orbita. I have no idea how old it is.
I'm not a Rolex guy, I looked up the winding info only and didn't research the movement.

Maybe with a little more "Googling" you can find the info which you seek :)

Cheers.
 

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