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b01
 Post subject: date changing...
PostPosted: Wed Mar 10, 2010 2:00 pm 
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hello
my super avenger change the date 7 min before midnight.
is it normal?
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oBMTo
 Post subject: Re: date changing...
PostPosted: Wed Mar 10, 2010 3:52 pm 
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b01 wrote:
hello
my super avenger change the date 7 min before midnight.
is it normal?

Very normal. You will find that's actually pretty good for a 7750 movement!
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Spartan
 Post subject: Re: date changing...
PostPosted: Sat Mar 13, 2010 1:03 pm 
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oBMTo wrote:
b01 wrote:
hello
my super avenger change the date 7 min before midnight.
is it normal?

Very normal. You will find that's actually pretty good for a 7750 movement!

Just wanted to say that my PAM has the 7750 movement as well but this one changes the date like a Rolex...1-2 min before and it snaps too.
Maybe Panerai has perfected this?

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b01
 Post subject: Re: date changing...
PostPosted: Sat Mar 13, 2010 10:59 pm 
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update:
last night it was changed 2 min before midnight.
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RJRJRJ
 Post subject: Re: date changing...
PostPosted: Sun Mar 14, 2010 12:06 am 
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b01 wrote:
update:
last night it was changed 2 min before midnight.


Thats a good time:
http://www.youtube.com/watch?v=L75ikjK1vaI

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enezdez
 Post subject: Re: date changing...
PostPosted: Mon Mar 15, 2010 10:49 pm 
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Hi All!

It's very normal - however, the watch can be adjusted to change date at exactly mid-night!

Best Regards,

Enezdez

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onewatchnut
 Post subject: Re: date changing...
PostPosted: Tue Mar 16, 2010 4:32 am 
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It's hardly worth the effort. The movement must be uncased, the mainspring let down, the hands removed and the motion works adjusted to the precise point where the date changes. Then the hands must be precisely aligned with the 12:00 marker and installed without moving the motion works. This might need to be repeated once or twice to get it exactly right since there is some backlash in the motion works. Finally, the movement is recased and tested for water resistance integrity. Obviously, we all try to reassemble the movement with this thought in mind, but a minute or two either way is acceptable; and I'm pretty anal about movement reassembly.

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Roffensian
 Post subject: Re: date changing...
PostPosted: Tue Mar 16, 2010 5:05 am 
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onewatchnut wrote:
It's hardly worth the effort. The movement must be uncased, the mainspring let down, the hands removed and the motion works adjusted to the precise point where the date changes. Then the hands must be precisely aligned with the 12:00 marker and installed without moving the motion works. This might need to be repeated once or twice to get it exactly right since there is some backlash in the motion works. Finally, the movement is recased and tested for water resistance integrity. Obviously, we all try to reassemble the movement with this thought in mind, but a minute or two either way is acceptable; and I'm pretty anal about movement reassembly.


And don't forget that Breitling hads are designed to be single use so you may go through 2 or 3 sets of hands just to do it.
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onewatchnut
 Post subject: Re: date changing...
PostPosted: Tue Mar 16, 2010 6:27 am 
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Roffensian wrote:
onewatchnut wrote:
It's hardly worth the effort. The movement must be uncased, the mainspring let down, the hands removed and the motion works adjusted to the precise point where the date changes. Then the hands must be precisely aligned with the 12:00 marker and installed without moving the motion works. This might need to be repeated once or twice to get it exactly right since there is some backlash in the motion works. Finally, the movement is recased and tested for water resistance integrity. Obviously, we all try to reassemble the movement with this thought in mind, but a minute or two either way is acceptable; and I'm pretty anal about movement reassembly.


And don't forget that Breitling hads are designed to be single use so you may go through 2 or 3 sets of hands just to do it.

That's why I didn't say re-installed :lol:

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