Casio F-91W Question >>>
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Thread: Casio F-91W Question >>>

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  1. #1
    Member WIS_Chronomaster's Avatar
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    Casio F-91W Question >>>

    Whats the average battery life for these, and also how much water resistance can you expect from, it thanks guys,




  2. #2
    Member Snaggletooth's Avatar
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    Re: Casio F-91W Question >>>

    LMGTFY;

    The watch is powered by a single
    CR2016 3-volt lithium button cell, which lasts at least seven years, assuming 20 seconds of alarm and one second of light usage per day. However, these are seldom used in practice, so it is not uncommon for the battery to last significantly longer.
    Water resistanceEdit

    The watch has a reliable rubber seal between its steel back and case, but does not have any seals for its buttons. Since they fit tight enough, surface tension prevents the water from getting inside, but only to a certain point of water pressure. Therefore, the watch front is marked WATER RESIST,[2] but Casio reports different values for different variants of the watch. The black version (F91W-1)[3] is "30 meter / 3 bar", the ISO standard meaning of which is: "Suitable for everyday use. Splash/rain resistant. NOT suitable for showering, bathing, swimming, snorkeling, water related work and fishing", but the colored versions (e.g. F-91WC-2AEF) are "DIN 8310 / ISO 2281- resistant to minor splashing". Even though the black version will resist an occasional water submersion if the buttons are not pressed, the watch should not be used in such conditions on a regular basis.
    StephenWatch likes this.

  3. #3
    Member WIS_Chronomaster's Avatar
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    Re: Casio F-91W Question >>>

    Ah thanks for the information , its only costing about 5Quid so you can't expect everything i suppose.




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  5. #4
    Member StephenWatch's Avatar
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    Re: Casio F-91W Question >>>

    Quote Originally Posted by WIS_Chronomaster View Post
    Ah thanks for the information , its only costing about 5Quid so you can't expect everything i suppose.
    £5 LOL, there's folk on here spend more than that on a strap keeper (so I'm told )
    Never argue with an idiot - they'll only bring you down to their level and win from experience...



    GW7900B (Stealth modded), GW7900CD-9ER (slightly modded), G7900A-7ER (Camo modded) G7900MS-1BDR, GW2500BD, ProTrek PRG 60YT (RIP), Chase Durer Mach 3, 2 x Citizen Skyhawks (Black & Titanium), Citizen Carbon Promaster JY0075-54E, 2 x vintage Seiko Chronographs, Invicat Grand Diver, Citizen BL5280-52E. Casio GWA 1100-1AER, GWG 1000-1A3ER (J&K metal bracelet conversion). GA400...

  6. #5
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    Re: Casio F-91W Question >>>

    My kids wear them in the bath/shower all the time. It was under $10 so not that much of a concern really.

  7. #6
    Member kcohS-G's Avatar
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    Re: Casio F-91W Question >>>

    Someone went scuba diving with it...

    https://forums.watchuseek.com/f296/sc...w-3033138.html


    add a little olive oil and it can go deeper.... much much deeper

    The Little Watch That Could

    if link does not work

    https://forums.watchuseek.com/f17/hyd...d-4504383.html
    StephenWatch and MaverickMCS like this.

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