Here's a partial post from another forum that may help you understand the pitfalls of that particular watch:
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"There was also a faux power reserve dial, 10-40 hours. This seemed to work initially, but as soon as the mvmt was fully charged, the hand went vertically up and off the scale completely.
I contacted ******* who offered to send a replacement. Great. I shipped the watch back (paying postage costs myself). After some serious delays in China, it finally got to ********. I decided to take the opportunity to order another watch for my brother, a PP faux perpetual calendar watch, also at $118. Naive, perhaps, but the look and feel of the JLC seemed good, and ********'s willingness to offer a replacement suggested that the problems with my watch were not necessarily indicative. If they were, ******** would presumably not offer a replacement - everyone would be asking for one and ******** would not be in business.
On receipt of the watches, the PP seemed to work fine. I quickly noticed, however, that it ran 45 seconds fast per day. The JLC no longer had the date problem, but the power reserve issue was the same, and on top of this the two pieces of script on the dial were the wrong way round relative to the pictures on *********'s website (i.e. date written next to the power reserve dial, and power reserve written next to the date dial). I should also note that *********'s website claims that both watches have a sapphire crystal watch glass - they are both plastic (acrylic).
I contacted ********* about this and he responded in his usual quick manner, but this time stated that the "power reserve does go off the scale, for every piece, there is nothing wrong with it." Whilst it may go off the scale for every piece, there certainly IS something wrong with it (there is a scale after all, with a min and max). And if it was ok, why did ******** not inform me of this the first time I informed him of the issue?"
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Both watches were quite similar to the one you are looking for, probably the same movement. I had a similar one that also had the same problem.
If you were Hont and know it's going to be a problem, would you want to sell it?
Just be aware of what you're asking for because you may not like it once you get it.