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Measuring TPD...
In Response To: RE: Orbita Winder....... ()

: I suspect that my Orbita Bellino Deluxe Winder
: is running much faster than what the their
: setting indicates.

Why do you think that?

To tell for certain, count the number of rotations in makes each time it runs. Then measure the number of minutes between runs. Then use this formula to calculate the TPD you are actually getting:

TPD = turns_per_run x (1440 / runs_every_x_minutes)

Mine at the default settings of 650 TPD turns 18 times each run. It runs every 40 minutes (each run is 1 minute long with a 39 minute pause between). So that equals 18x(1440/40), for a total of 648 TPD.

: Is it okay to run the Orbita at a lower
: setting than the specified TPD???

That would not hurt anything, but would probably not wind your watch enough to keep its power reserve up.

: Is it better to run your watch on a lower
: TPD or higher TPD???????

Higher. It does not hurt to give a watch more turns than it needs. Automatic watches are designed to be worn all day, so they can handle quite a significant amounts of movement/turning. All automatic watches have protection to prevent them from being overwound--whether from being on your wrist or on a winder.

The reason for selecting a sufficiently high TPD is simply that you don't need to keep the watch spinning all day. Way overdoing it could eventually cause excessive wear on the watch winding mechanisms.

Messages In This Thread

RE: Orbita Winder.......
Measuring TPD...
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