FC-303, etc, vs. ETA Top?
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  1. #1
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    FC-303, etc, vs. ETA Top?

    Hello,

    Question about calibers used in FC watches $500-$1,200 ish (apologies if I'm not being specific enough), particularly the FC-303

    Would a movement like this be similar to an ETA Top-grade movement? What FC calibers would be at that level?

    Thanks!

  2. #2
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    Re: FC-303, etc, vs. ETA Top?

    Quote Originally Posted by ericcomposer72 View Post
    Hello,

    Question about calibers used in FC watches $500-$1,200 ish (apologies if I'm not being specific enough), particularly the FC-303

    Would a movement like this be similar to an ETA Top-grade movement? What FC calibers would be at that level?

    Thanks!
    The FC303 is based on the SW200-1 which is in turn a licensed copy of the ETA2824 with some minor improvements. See here:
    Frederique Constant Caliber FC-303 Watch Movement | CaliberCorner.com

    As for the grade, I would say that it is most likely equivalent to a standard or elabore grade than top. I'm basing that on this thread (quoted text below):
    https://forums.watchuseek.com/f2/smok...ed-458060.html

    Standard
    - adjusted in 2 positions: CH and 6H (click HERE for details on positional timekeeping terminology)
    - average daily rate: +/- 12 seconds
    - maximum positional variation: 30 seconds
    - isochronism between 0 and 24 hours: +/- 20 seconds

    Elaboré
    - adjusted in 3 positions: CH, 6H, 9H
    - average daily rate: +/- 7 seconds
    - maximum positional variation: 20 seconds
    - isochronism between 0 and 24 hours: +/- 15 seconds

    Top
    - adjusted in 5 positions: CH, FH, 6H, 9H, 3H
    - average daily rate: +/- 4 seconds
    - maximum positional variation: 15 seconds
    - isochronism between 0 and 24 hours: +/- 10 seconds

    Chronometre
    - adjusted and timed per COSC specification (see above link under Standard) which is not much different from Top Grade

    The grades have more to do with regulation and accuracy than decoration or quality. The difference between a top and standard is how much time someone spent regulating it. Any grade can run to chronometer standards but only a chronometer grade is tested to verify that it does. Hope this helps.
    sefrcoko and calibercorner like this.

  3. #3
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    Re: FC-303, etc, vs. ETA Top?

    Thanks! Great info

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  5. #4
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    Re: FC-303, etc, vs. ETA Top?

    MODEL MOVEMENT ACCURACY
    FC300, FC303, FC310 BASE SW200 -5 +15 SEC/DAY
    FC315, FC335 BASE SW200 -5 +15 SEC/DAY
    FC305, FC325, FC360, FC610, FC680, FC710 BASE SW300 -5 +10 SEC/DAY
    FC308 BASE 2893 -5 +10 SEC/DAY
    FC320 CHRONOMETER BASE SW200 0 + 5 SEC/DAY
    FC392, FC393, FC395 BASE SW500 -5 +10 SEC/DAY
    FC435 BASE UNITAS 6497 0 +20 SEC/DAY
    FC700, FC735 MANUFACTURE MAXIME -5 +10 SEC/DAY
    FC910, FC930, FC915, FC935 HEART BEAT MANUFACTURE -5 +10 SEC/DAY
    FC980, FC985 TOURBILLON MANUFACTURE 0 + 5 SEC/DAY

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