Yema In House caliber Precision

Hi everyone,

New here, so bear with me while I learn the ropes. I recently picked up a Yema Superman GMT which I'm quite happy with. It's a 39mm case with a domed crystal and has a 24hr second time zone, and suffice it to say I was sold on it pretty quickly. One thing I have noticed is that Yema are equipping their watches with in house movements these days (in my case a Yema 3000). I've noticed that the accuracy on mine isn't great. I have regulated it on a flat surface to a pretty OK spec, but performance varies wildly when the watch is at an angle or the power reserve isn't close to full. Has anyone else got experience with these movements? Is this a one-off experience, or something to be expected? 

Otherwise really enjoying this piece. It has stolen a lot of wrist-time as of late. 

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nice one. i love yema especially superman dive watch. yema tend to have locking system in the bezel, and my question is did the locking mechanic will scratch the bezel? thank you 🍺

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Unholy

nice one. i love yema especially superman dive watch. yema tend to have locking system in the bezel, and my question is did the locking mechanic will scratch the bezel? thank you 🍺

It locks into the notches on the bezel, and not the top part where the numbers are. On the contrary, I actually think it has protected the bezel so far.

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Caaarl

It locks into the notches on the bezel, and not the top part where the numbers are. On the contrary, I actually think it has protected the bezel so far.

thx for the insight. appreciate it 🙏🏻

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There was a known issue with the Yema movements (I wasn't paying attention to watches for a few years so I don't know the details). They've probably fixed it by now, but could yours be an older one?

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Update: been wearing it on my wrist the past 48 hours and somehow it ran out of power reserve at some point because it was a few hours behind. 

I agree with you that it’s most likely a marketing led product planning decision. It’s not the reason I bought mine, but I can see how someone in the market would be. Now I’m a bit ticked off that they didn’t go for a tried and tested solution, but what do I know. Maybe they shift enough product to leverage economies of scale over something like a third party supplied movement? I’ll wear it non stop for another week before contacting Yema about the matter.