Inexpensive, long power reserve watches
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  1. #1
    Member Dan83bz's Avatar
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    Inexpensive, long power reserve watches

    I have always wondered why the manufacturers don't dwelve more on this. Is it not a desirable feature? I would say it is, at least for me.

    While on automatics a longer power reserve (longer than 40hrs I mean) is not necessary for most, although even in that case I believe a power reserve long enough to keep the watch "one" from Fri night until Mon morning would be perfect, in the case of mechanical watches it is even more so.

    Are the technological hurdles so great to achieve this? Would it put too much strain on the parts ? Size-wise, with nowadays watches becoming more and more wrist-clocks than wrist-watches, there shouldn't be a problem, plenty of space there to add extra coil(s).

    So what is it then?
    Last edited by Dan83bz; January 7th, 2014 at 16:57.
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  2. #2
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    Re: Inexpensive, long power reserve watches

    It's because most inexpensive watches use stock movements from ETA or another comparable source and their base movements only have 40 or so hours on them. Modifying them costs money which could drive up the cost of the inexpensive watch. Not many inexpensive watches bother to re-work, modify or improve a stock movement.

  3. #3
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    Re: Inexpensive, long power reserve watches

    Is not that simple to add power in a larger case - you need a new movement or substantially modify one.

    the cheapest long PR watch is currently Certina Powermatic 80
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  5. #4
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    Re: Inexpensive, long power reserve watches

    Swatch Sistem51, 90 hour power reserve.


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  6. #5
    Member Synequano's Avatar
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    Re: Inexpensive, long power reserve watches

    I only know about the 8 days movt from Eberhard (CMIIW) and I know Panerai has their newer 'affordable' 8 days movt (P5000)

    Most of the other long PR watches that I know of actually cost more than $10k new
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  7. #6
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    Re: Inexpensive, long power reserve watches

    Define "inexpensive". Tissot offer 80hr for less than $1000, but that I think is the cheapest you can find.
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    Re: Inexpensive, long power reserve watches

    I'm pretty sure if they could make an 80 hour power reserve dependable and affordable, they would. That is a lot to fit in a small package....especially when asking them to keep the price down.
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  9. #8
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    Re: Inexpensive, long power reserve watches

    It's funny that quartz watches have a super long power reserve, but we never view it that way :).
    In the < 2k range, there is the Eberhard 8 day hand wind.
    >2k would allow for a 72 hour spring drive power reserve.
    Last edited by lenny; January 7th, 2014 at 16:28.

  10. #9
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    Re: Inexpensive, long power reserve watches

    Quote Originally Posted by lenny View Post
    It's funny that quartz watches have a super long power reserve, but we never view it that way :).
    In the < 2k range, there is the Eberhard 8 day hand wind.
    >2k would allow for a 72 hour spring drive power reserve.
    I know its cheeky but i was thinking about the same thing..........QUARTZ......min 2 yr power reserve
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  11. #10
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    Re: Inexpensive, long power reserve watches

    Quote Originally Posted by mleok View Post
    Swatch Sistem51, 90 hour power reserve.
    There you go, just checked that this watch is already on sale for mere $200.

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