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How it was made

 ring itself is made from 316L stainless steel, the material most frequently used for decent watch cases. It is 14 millimeters wide and 3-3.5 millimeters thick, depending on the diameter you get (more on that in a bit). The large external part that you touch and spin is actually precision-milled by a Hungarian company specialized in manufacturing high-end medical and surgical tools, and the quality of execution is in fact top notch. The fit and finish of the external and internal rings, along with a hand-applied lacquer seal on the inside make the Ring Clock water resistant, so you should have no trouble whatsoever to wash your hands or do the dishes with it on, and the company says you can even wear it for swimming. The Ring Clock is, of course, available in a wide range of sizes (6.5US-15US) and after placing your order, you’ll receive a pack of plastic try-on rings in a few size options closest to the one you specified, so you can try them on and be sure you get the perfect size. This saves you and the company the trouble and time of shipping complete rings and packages back and forth a number of times. After confirming, the correctly sized Ring Clock is shipped to you so you can have the perfect fit. The Ring Clock will later on be available in black PVD as well – although there are no exact dates yet on availability, as finding the right coating method to be used on such a small surface with so many cutouts is a painstaking and time-consuming process.

One criticism that I have heard others I showed the ring to mention is that there is a bit of play between the outer and the inner ring in the sense that it wobbles slightly but noticeably along its rotational direction. I personally have not found this to be annoying at all – I take it as it is because there are two moving parts on top of one another – but because it has been pointed out, I am told that the Ring Clock people will make some changes and make the gap (that presently is less than 0.3 millimeters wide) even smaller to reduce this slight play.