Why Renata?

Thread: Why Renata?

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  1. #1
    Member niles316's Avatar
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    Question Why Renata?

    I've looked around online n it seems there's a general consensus that Renata (swiss made) batteries do leak! Not always but they do leak! And i'm not talking about when the batt is flat n left in the watch for a long time. It can leak while the watch is still ticking.

    Then i see some batteries like Maxell that says it'll be responsible for the damage if their batt leak in a watch. Does that mean they are confident that Maxell batt don't leak? I've also seen some dry cells that says their batt is guaranteed not to leak.

    In other words,it seems like Renata isn't the best option. So why do ADs or service centres use Renata for swiss made watches? Is it 'cos Renata is truly better or they just think a swiss made watch needs a swiss made batt?

    Are there any of us who use Sony/Energizer/Maxell on a swiss made watch without any issue? I'm just wondering if Renata is not the best choice after all.

  2. #2
    Member justsellbrgs's Avatar
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    Re: Why Renata?

    have you checked who owns Renata?

    Swatch Group

  3. #3
    Member niles316's Avatar
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    Re: Why Renata?

    Quote Originally Posted by justsellbrgs View Post
    have you checked who owns Renata?

    Swatch Group

    Then why does TAG use Renata? Why would LVMH support its rival? Is it 'cos Swatch Grp dictates that since TAG uses eta quartz, they must use their batt too?

    So in truth,Renata is not superior to Maxell/Sony/Energizer watch batt? N thus it doesn't matter which brand of batt i use as long as it's not some cheapo no brand batt?

  4. #4
    Member lysanderxiii's Avatar
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    Re: Why Renata?

    Because Renata is Swiss and counts toward "Swiss-ness" of the movement.

    TAG buys ETA movements, why not batteries?

    Batteries leak because the chemical reaction that produces the voltage also produces hydrogen gas, over time the gas pressure builds up inside the battery and the battery pops like a balloon. OK, it just cracks open to vent the pressure, but in any case the structural integrity of the case is compromised and the electrolyte chemical, potassium hydroxide spills out, which is corrosive..

    Depending on how well the battery is constructed governs how long it takes to pop, so once your battery stops supplying power to run whatever it is in, remove it.

    This goes for alkaline D, C, AA, AAA, 9V, except the waste chemical from the reactions is potassium hydroxide,
    Last edited by lysanderxiii; January 26th, 2010 at 03:28.
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  5. #5
    Member niles316's Avatar
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    Re: Why Renata?

    Quote Originally Posted by lysanderxiii View Post
    Because Renata is Swiss and counts toward "Swiss-ness" of the movement.
    So other than that,there's no reason why i should use Renata on my swiss made watches?

  6. #6
    Member lysanderxiii's Avatar
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    Re: Why Renata?

    Quote Originally Posted by niles316 View Post
    So other than that,there's no reason why i should use Renata on my swiss made watches?
    And, ETA movements come from the factory with a supply of Renata batteries...
    familiaritas parit contemptum; raritate admiratione wins.- Lucius Apuleius
    est necessry, accurate ad secundo? - Lysander magna
    iustum est horologium - Obscurus Genius

  7. #7
    Member niles316's Avatar
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    Re: Why Renata?

    Quote Originally Posted by lysanderxiii View Post
    And, ETA movements come from the factory with a supply of Renata batteries...
    And initially i thought Renata is superior considering boutiques charge like $15 for a $1 batt. So i guess the 'swiss made' label doesn't always equate to better quality..more like a flourish at the end of a signature.

    Interesting..i wonder what's gonna happen when Swatch Grp stops selling their movements to other companies though that's another story... Will TAG start using Maxell batts? Always a pleasure to have lysander in a thread. Thanks,man :)

  8. #8
    Member Beau8's Avatar
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    Re: Why Renata?

    Quote Originally Posted by niles316 View Post
    Is it 'cos Renata is truly better or they just think a swiss made watch needs a swiss made batt?
    Seems to be the case more often than not~Cheers!

  9. #9
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    Re: Why Renata?

    1 Renata Watch Batteries
    Renata batteries come from a Swiss company that is owned by the Swatch Group, which produces Omega, Longines, and Breguet watches. This brand is a little more expensive and often used in quartz watches because the batteries are considered long lasting and reliable. The company makes 40 different types that are constructed of silver oxide without any mercury. In the past, watch batteries contained a little mercury, but most companies have moved away from this chemical since it is toxic to the environment. Renata batteries provide about 1.55 volts and have a very low self-discharge rate; they are also leak-proof. These button cell batteries are used in Swiss quartz watches such as Rolex, Tag Heuer, and Breitling.




    2 Maxell Watch Batteries
    This company is well known for small electronics batteries, including those for watches. These small button-cell batteries also are made of silver oxide, do not contain any mercury, and provide 1.5 volts. In terms of price, this brand is a little on the expensive side as well. Maxell watch batteries come in several types and different sizes, divided between a battery needed for high-drain watches and those for low-drain watches. Over time, the watch industry has added new features such as background lighting, audible alarms and even calculators, digital diaries or other functions. You see this in the Apple Watch, Samsung devices, though the battery in each of these typically is rechargeable. This has led to the development of additional high drain versions of replacement watch batteries to feed the extra requirement for power. A low-drain or normal watch battery will end with the letter 'W', while the high-drain version is labeled SW' at the end of its designation. Maxell also offers a line of watch-sized electronic specialty batteries for use in certain handheld engineering tools.




    3 Varta Watch Batteries
    Varta makes 33 different types of batteries for watches and timepieces. Some of the Varta watch batteries are similar to the silver oxide ones that other companies make, but Varta also makes alkaline manganese and Li-ion batteries. Although officially considered watch batteries, the alkaline and lithium batteries are also intended for other equipment, such as calculators, cameras, and car keys. A 3-volt lithium battery can also be used in some digital watches with liquid crystal displays, and some unusual watches, such as one type of watch from Omega that uses a rare 2-volt lithium battery. Varta supplies both of these unusual batteries, which can be used for some pagers and calculators as well.




    4 Sony Watch Batteries
    The largest silver oxide button cell battery maker in the world, Sony makes 40 different silver oxide watch batteries in order to fit a wide variety of timepieces. Roughly half of the batteries are for high-drain watches, while the rest are made for low-drain timepieces. However, all of the batteries provide 1.5 volts, although they differ in how much capacity they hold. Both of these battery types can be used in high-end quartz watch movements, although the buyer should match the high-drain or low-drain battery with the right kind of watch. In addition, these batteries can be placed in analog and digital watches, as well as calculators, toys, and other portable electronics. The Sony watch battery has great leak resistance and voltage stability. It also provides a long shelf life, according to a popular consumer website. In addition, Sony supplies watch batteries to the Seiko, Casio, Citizen, and Orient watch manufacturers.




    5 Energizer Watch Batteries
    The Energizer bunny might be most recognizable to those looking for a battery. Energizer makes a wide variety of batteries, including both silver oxide and lithium batteries. Users will see them sold at button cell or lithium coin batteries, with CR2016 or CR1632 shown as designations for certain types. They are some of the most affordable ones on the market. Energizer watch batteries are also used for glucose monitors, pedometers, remote controls, and other small devices. These products provide 1.5 volts and are resistant to leakage. Customer reviews on consumer websites give Energizer watch batteries high ratings for longevity and overall quality.
    Energizer is one of the first companies to change its packaging to make it more difficult to open. This is because these small button-sized batteries are easy for children to swallow. By making the battery containers harder to open, the company is striving to make its packaging safer and child resistant.



  10. #10
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    Re: Why Renata?

    No reason to use a Renata unless you have one of those old Deliriums. Otherwise the basic watch battery is just that, a basic watch battery. And Renata doesn't make batteries for the Deliriums anymore anyways. But they're Swiss. So you can brag that it's Swiss. Plus I somewhat suspect there are some Swiss companies that have just decided to avoid Japanese as much as possible given how close the Japanese came to knocking out the Swiss in the past.
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