The Rado HyperChrome Touch Dual Timer watch has no crown, buttons or knobs

 
The Rado HyperChrome Touch Dual Timer watch (introduced at Baselworld 2014) doesn't have any crown, buttons or knobs - the surface is touch sensitive and you can set it by swiping your finger on the bezel in different directions. Here are few videos on how exactly the watch works:





Here are the details from rado.com:



At BaselWorld 2014 Rado is presenting another first in the watch industry combined with a new material. The HyperChrome Touch Dual Timer is the first ceramic touch watch with two time zones. It displays one on the main dial and the second on a smaller one at 6 o’clock. The magic of touch lets you change the time with just the sweep of a finger or even swap the time zones and watch the hours and minutes fly by.

This year Rado also introduces brand new grey high-tech ceramic. This material has the same properties as black or white high-tech ceramic but in a cool grey colour which is difficult to reproduce consistently. But thanks to Rado’s high-tech ceramic know-how they have achieved to recreate only one shade of grey.