Although Reservoir Watches has been around since 2015, my first experience with the brand was at Baselworld 2018 where I was struck by the brand’s all-or-nothing approach to watchmaking. Every single timepiece produced by Reservoir is focused on a dueling complication setup for the time display. The hours are indicated via a digital aperture in the lower hemisphere of the dial that physically ?jumps? when the minute hand strikes 60. The minutes are read courtesy of a retrograde display that stretches around the periphery of the upper two-thirds of the dial. A power reserve display is located directly underneath the hour window at the bottom of each dial that uses either a hand or a sequence of three-dimensional spheres to indicate how much autonomy is left. In some models, a date window is placed to the right of the power reserve. The dial of the Reservoir Hydrosphere Air Gauge is entirely luminescent.
 
This dial layout, meant to recall dashboard instruments and gauges, is consistent throughout all of Reservoir?s various collections that lean on either automotive, avionic, or nautical motifs to stand out. The car-inspired designs are the most prevalent and come in three different subcollections: Longbridge, GT Tour, and Supercharged. The airplane-influenced models are split into either the Airfight or the Airfight Jet, and the nautical-enhanced models lean on a submarine style in the Tiefenmesser and Tiefenmesser SH ranges. These three styles make sense and eac...