Watch Accuracy.
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  1. #1
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    Watch Accuracy.

    Im very pleased pleased at my watch a Rado powermatic 80 caliber, i have had it 6 days and its running at 2 seconds fast over the 6 days, what is that as a percentage per day, maths not my strong point thanks.
    Last edited by ROG58; February 28th, 2018 at 18:53.

  2. #2
    Member sticky's Avatar
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    Re: Watch Accuracy.

    Welcome to the “not very good at maths club”. 2 SPD is pretty good
    chuasam likes this.

  3. #3
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    Re: Watch Accuracy.

    Quote Originally Posted by sticky View Post
    Welcome to the “not very good at maths club”. 2 SPD is pretty good
    Lol.

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  5. #4
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    Re: Watch Accuracy.

    If you aren't good at math how come you know it's 2 sec/day fast after 6 days. Shouldn't you have said "after 6 days it's 12 seconds fast,how much is that per day?"

  6. #5
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    Re: Watch Accuracy.

    Quote Originally Posted by ROG58 View Post
    Im very pleased pleased at my watch a Rado powermatic 80 caliber, i have had it 6 days and its running at 2 seconds fast per day great, what is that over six days, maths not my strong point thanks.
    Umm...If it's 2 seconds fast per day, for 6 days, then it will be 12 seconds fast in total.

    If it's only 2 seconds fast after 6 days total, then it's only running 0.33 seconds fast per day.
    falcon4311 likes this.

  7. #6
    Member yankeexpress's Avatar
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    Re: Watch Accuracy.

    Did not know Rado used the P-80 movement

  8. #7
    Member imaCoolRobot's Avatar
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    Re: Watch Accuracy.

    If the OP is on a space ship travelling towards alpha centuri at a velocity of 0.9c. How much time would his watch be off compared to standard earth reference when he reaches the nearby star?
    “If we could be satisfied with anything, we should have been satisfied long ago.”
    ― Seneca

  9. #8
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    Re: Watch Accuracy.

    Quote Originally Posted by chuasam View Post
    If the OP is on a space ship travelling towards alpha centuri at a velocity of 0.9c. How much time would his watch be off compared to standard earth reference when he reaches the nearby star?


    Ask Will Robinson if he ever gets there.

  10. #9
    Moderator Public Forum John MS's Avatar
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    Re: Watch Accuracy.

    Quote Originally Posted by ROG58 View Post
    Im very pleased pleased at my watch a Rado powermatic 80 caliber, i have had it 6 days and its running at 2 seconds fast per day great, what is that over six days, maths not my strong point thanks.
    If the watch performs the same on all days then the projected accuracy is 6 x 2 = 12. You may find that the watch performs differently hovever. Mechanical watch accuracy can vary for several reasons including the mainspring winding state and position the watch is stored in.

    edit: Congratulations on getting a Rado. Fine watch. Post some pictures when you get a chance.
    ROG58 likes this.

  11. #10
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    Re: Watch Accuracy.

    Quote Originally Posted by yankeexpress View Post
    Did not know Rado used the P-80 movement
    All of the low and mid tier Swatch group brands have moved to Powermatic variants.
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