It seems that when you get a watch with a Sea Gull movement...

there are widely varying levels of quality; the best being in a Sea Gull watch; the worst being in fakes.
The DG and NN calibers are pretty much standard across the board for a given caliber and they generally equate to the best Sea Gull of similar caliber.

I have a bunch of 'cheap' watches with the Nanning NN2813 movement and I can tell you they are much better finished than the ST16 in my Alpha. They are all excellent performers as well

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