Actually using the Doxa bezel
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  1. #1
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    Actually using the Doxa bezel

    I just got my first Doxa, a sub 300 BL Reissue, for an upcoming dive trip to the Maldives (leave tonight). While I will dive with my dive computer also, I am excited to put the Doxa on my other wrist and use it like they would have in the 60s and 70s when it was relied on by commercial divers.

    I have read a number of threads and watched a few videos, but can’t find anywhere that tells me how to fully use the bezel, namely the no Deco limits portion. Timing the dive, got it, easy, no different than other divers like my SD43...but what about the no deco table seemingly built into the bezel, how do I use it?

    Many thanks for the help as I get up to speed on both Doxa and watches/the hobby in general

    Thanks!


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  2. #2
    Member orangeface's Avatar
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    Re: Actually using the Doxa bezel

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  3. #3
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    Re: Actually using the Doxa bezel

    Quote Originally Posted by Stabulldogs View Post
    I just got my first Doxa, a sub 300 BL Reissue, for an upcoming dive trip to the Maldives (leave tonight). While I will dive with my dive computer also, I am excited to put the Doxa on my other wrist and use it like they would have in the 60s and 70s when it was relied on by commercial divers.

    I have read a number of threads and watched a few videos, but can’t find anywhere that tells me how to fully use the bezel, namely the no Deco limits portion. Timing the dive, got it, easy, no different than other divers like my SD43...but what about the no deco table seemingly built into the bezel, how do I use it?

    Many thanks for the help as I get up to speed on both Doxa and watches/the hobby in general

    Thanks!


    Sent from my iPhone using Tapatalk
    This is my understanding of how it works. Let's say you dive to 100 feet. When you reach that depth, you rotate the bezel, so the 2 circular markers line up with the minute hand. When the minute hand then reaches your depth (100ft) - your diving time is up, and it's time to return to the boat, otherwise you would need to decompress. In this case, 100ft happens to correspond to 25min on the bezel. If you had dived to 120ft, your time corresponds to 15min, 150ft corresponds to 6min, etc.

    One word of caution - I've heard that modern dive computers give slightly different no-decompression times than the US Navy tables used for the DOXA dial. As I haven't dived for a while, I'm sure more expert WUS members can comment on that.

    I hope that helps. Have a great time in the Maldives!

    Cheers!
    Joe90 likes this.

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  5. #4
    Member adg31's Avatar
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    Re: Actually using the Doxa bezel

    My understanding is that the bezel effectively summarised the following table:

    The US Navy divers would therefore work out their decompression limits before diving and then set the bezel time accordingly.



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  6. #5
    Member Paco II's Avatar
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    Re: Actually using the Doxa bezel

    Modern dive computers allow you to make the most of the air you've got, to fully maximize your dive. As mentioned, the bezel merely summarizes the navy dive table. Dive tables are restrictive, which is why we all use dive computers now :) Use the bezel as a fallback (but really, if the computer fails, your dive should be ended), but if you were to rely on only it, you would have much shorter dives than necessary.

    Also, if you do use it, set it at surface, not at depth.

    Enjoy your trip!

  7. #6
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    Re: Actually using the Doxa bezel

    Thanks for the feedback guys, what a great forum/group of Doxa fans here, always quick and thorough answers.

    I will 100% have my dive computer on my left wrist, but excited to have the doxa sub or SD43 onbthe other just for fun, and if the Doxa, may as well try and use the bezel properly and compare w the computer (w the computer trumping whatever the watch says)

    Thanks again, wheels up from NYC


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  8. #7
    Member Paco II's Avatar
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    Re: Actually using the Doxa bezel

    Get photos of your DOXA 'in action'!

    Quote Originally Posted by Stabulldogs View Post
    Thanks for the feedback guys, what a great forum/group of Doxa fans here, always quick and thorough answers.

    I will 100% have my dive computer on my left wrist, but excited to have the doxa sub or SD43 onbthe other just for fun, and if the Doxa, may as well try and use the bezel properly and compare w the computer (w the computer trumping whatever the watch says)

    Thanks again, wheels up from NYC


    Sent from my iPhone using Tapatalk
    cmeisenzahl likes this.

  9. #8
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    Re: Actually using the Doxa bezel

    They just had an interesting post on their instagram a few days ago that summarized it nicely:

    "...Match the luminous pip at 12:00 with the minute hand at the start of your dive. When the minute hand reaches your targeted depth on the outer ring of the bezel, it’s time to return to the surface to avoid injury by staying safely within the US Navy’s “no decompression” limits..."
    adg31 likes this.

  10. #9
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    Re: Actually using the Doxa bezel

    Pictures to follow once my GoPro pics will sync to Dropbox (Painful process to get pics from Hero Black 5 to a portable format)

    Was fun using the Doxa, though certainly nice having a dive computer! The bezel worked just as you guys said, was fun mirroring along side the computer....but the computer beeps to get your attention, the Doxa does not ha, so gotta focus a lot more on the watch and less on the fishes




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    Paco II and Joe90 like this.

  11. #10
    Member Paco II's Avatar
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    Re: Actually using the Doxa bezel

    Whether it is your DOXA, dive computer or spg it is always good safety practice to be checking them regularly. Don't wait for a beep

    Glad you had fun!!


    Quote Originally Posted by Stabulldogs View Post
    Pictures to follow once my GoPro pics will sync to Dropbox (Painful process to get pics from Hero Black 5 to a portable format)

    Was fun using the Doxa, though certainly nice having a dive computer! The bezel worked just as you guys said, was fun mirroring along side the computer....but the computer beeps to get your attention, the Doxa does not ha, so gotta focus a lot more on the watch and less on the fishes




    Sent from my iPhone using Tapatalk
    Joe90 likes this.

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