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yogi18
 Post subject: Calendar
PostPosted: Tue Oct 08, 2013 9:26 am 
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Hello gang,
I have a question. What does it mean that a calendar is programmed for 4 years? What happens after 4 years? Does it needs to be re-programmed? Caliber 79 btw. Thanks in advance.
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Roffensian
 Post subject: Re: Calendar
PostPosted: Tue Oct 08, 2013 9:29 am 
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A four year calendar can't handle February 29th. However, I thought that the Aerospace had a full perpetual calendar - i.e. does recognise Feb 29th. An owner will be able to confirm.
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TomP
 Post subject: Re: Calendar
PostPosted: Tue Oct 08, 2013 11:37 am 
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Aerospace only has four-year calendar. From the manual: "Note: the calendar is programmed to provide the exact date during a full leap-year cycle of four years, thus requiring a correction every February 29 only."
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Roffensian
 Post subject: Re: Calendar
PostPosted: Tue Oct 08, 2013 12:08 pm 
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TomP wrote:
Aerospace only has four-year calendar. From the manual: "Note: the calendar is programmed to provide the exact date during a full leap-year cycle of four years, thus requiring a correction every February 29 only."



There you go then - I thought that it was a true perpetual, but these quartz ones are a bit of an enigma for me.
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yogi18
 Post subject: Re: Calendar
PostPosted: Tue Oct 08, 2013 12:29 pm 
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I thought it was perpetual too since it's programmed....
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TomP
 Post subject: Re: Calendar
PostPosted: Tue Oct 08, 2013 2:42 pm 
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It's about ten seconds out after four years so you can sort that at the same time. :D
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fmc000
 Post subject: Re: Calendar
PostPosted: Tue Oct 08, 2013 7:52 pm 
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The B-1 and its heritage are perpetuals. The Aerospaces are not. Different movements with different functions (this applies also to the chronograph).

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yogi18
 Post subject: Re: Calendar
PostPosted: Wed Oct 09, 2013 4:57 am 
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fmc000 wrote:
The B-1 and its heritage are perpetuals. The Aerospaces are not. Different movements with different functions (this applies also to the chronograph).

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What are the differences in functions? I know the chrono on the B-1 can go for 99 days, what other differences?
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