So far a great product after using it for four days. I have my Seiko Monster Orange on it and it is doing just fine. I set it to spin both CC&CW at 650 TPD. I had no problems figuring out how the holder for the watch came out of the machine (which BTW if you simply can't figure it out) all you do is gently squeeze the two black looking prongs together and it will release from the spinner. It came well packaged as previous posting have mentioned, and I got the oil and alan wrench with it too. In the pamphlet it describes where to drop a small amount oil on the roller wheels but I have not done this yet. The box is made well and I like the color red.  The USB connected okay and plugs into the wall adapter for a standard 110 volt supply.  The movement is quite but not completely. I have heard it twice at night after waking up. It does not keep me awake though.  I did not loosen any screws on the box as previous posters mentioned to do and I really don't see any reason for doing so. If your not messing with the screws in the first place there is no reason the box would crack. For the price it is well worth the purchase and I recommend it to any one looking to buy a watch winder as their first or even as a long time watch collector.
A good product with a nice modern style.