This article was originally published in the Design 2023 Issue of the WatchTime print magazine.

Launched in 2006, the Citizen Promaster Dive ? whose case and dial were directly inspired by the largest member of the oceanic dolphin family (Orcinus orca) ? quickly became a fan favorite, having successfully redesigned the design elements of a dive watch almost completely. Now, Citizen has updated its perhaps most modern tool watch with new features, including a redesigned, more ergonomic case, an improved bezel, and a new black rubber strap. Available with a blue (Ref. BN0231-01L) or black dial (Ref. BN0230-04E) or as an all-black special edition (Ref. BN0235-01E), the new Promaster Dive picks up where the original watch left off, paying homage to one of the most beloved animals in the sea.
The new Promaster Dive, much like the 2006 edition, echoes the orca whale?s black and white livery in its bezel and dial design. Housed in an ergonomic, 46-mm stainless-steel case whose gentle curves mimic those of the orca?s body and its sharply contrasted black-and-white colors, it features a redesigned, unidirectional stainless steel and aluminum bezel insert whose outer coin edge provides grip, and whose profile sits well above the watch to protect the convex mineral crystal from scratches. A luminous pip at 12 o?clock ensures easy measuring of elapsed time while underwater, the screwdown crown and solid case back provide up to 200 meters of ISO-certified water resistance...