I received this watch winder for my birthday, and is a fine case for valuable or attractive watches. Someone reviewing another Diplomat case complained that the case is not wood, but plastic ... I think that's erroneous. This case is heavy, clearly made of  wood, but with a high gloss, black piano finish. It even comes with a dust cloth for cleaning it (for your watches,  I'd recommend something like a washable&nbsp;<a data-hook="product-link-linked" class="a-link-normal" href="/3M-Microfiber-Lens-Cleaning-Cloth/dp/B00009PSZ2/ref=cm_cr_arp_d_rvw_txt?ie=UTF8">3M Microfiber Lens Cleaning Cloth</a>&nbsp;or&nbsp;<a data-hook="product-link-linked" class="a-link-normal" href="/3M-Microfiber-Electronics-Cleaning-Cloth/dp/B00006IBLQ/ref=cm_cr_arp_d_rvw_txt?ie=UTF8">3M Microfiber Electronics Cleaning Cloth</a>&nbsp;to take skin oils off).

The unit is whisper quiet, barely audible when it's spinning. The motor is fairly slow, 8 RPM or so. If my math is correct (it's probably not), the 2 minute turn 6 minute wait cycles would spin/wind the watch 1530 times over a 12 hour period. The method that spins 5 minutes clockwise, then 5 minutes counterclockwise, repeated for 3 hours and then "sleeping" for 9 hours, would spin/wind a watch roughly 1543 times in a 12 hour period. I only wish it had a setting for winding a watch intermittently (e.g. 2 minutes on, then 8 minutes off), then sleeping for 9 - 24 hours. Use of a digital timer on the outlet may accomplish that. (The winder comes with an AC adapter, but will run on two AA batteries as well.)

If your automatic watch has a failsafe mechanism which stops winding the mainspring when it's "fully wound" (and almost all modern automatics do), this device won't overwind your watch. But consider that running a watch continuously will put more wear and tear on it than if you let it run down, and start it up again and set it when you put back on (this applies to those who have more than 2-3 automatics, and change watches more often than changing their underwear). So keeping a watch fully wound 24/7 in a case like this is probably going to accelerate the need for a periodic servicing by a watchmaker.