Time flies ? or, in this case, flows. HYT unveiled its original “hydromechanical” watch, the HYT H1, all the way back during Baselworld 2012. In the years since, we’ve seen the iconoclastic brand introduce new technical updates, new colorways, and a variety of other innovations. This year, HYT showed its wares not at Baselworld, but at January’s SIHH watch salon, with its headliner being the new HYT H20 watch.

Following the design trend that the company established with with last year’s HYT H0 Origin, the H2O ? offered in two different cases with two different-colored liquids for the fluidic timekeeping ? has a much more streamlined and minimalist look than its predecessors; HYT describes the case shape as “resembling a smoothed stone that has weathered time to perfection.” The case ? made of either black PVD-coated stainless steel or polished and satin-finished stainless steel ? measures a rather voluminous 51 mm in diameter, which is typical for the brand’s timepieces, It also is covered by a large, box-shaped sapphire crystal that offers a view of the intriguing micromechanical technology inside. Fans of HYT can expect yet another take on the “hyrdomechanical horology” timekeeping system, in which a pair of angled bellows propels a colored fluid through a capillary to indicate the motion of the minutes, while the hours are indicated with a central jumping hand. (For those who are perhaps less familiar with h...