This week, Japanese watchmaker Seiko unveiled the latest expansion to its popular Prospex dive-watch series with four new ?Urban Safari?-themed watches. The models serve as additions to 2018’s Prospex Street Series collection, which served as one of the brand?s first explicit steps into the streetwear market, and offer a greater range of colorways, aesthetics, and movement options.

The new ?Urban Safari? line includes two analog mechanical models, as well as two solar-powered hybrid analog-digital watches. Each of them uses the 1975-released Seiko ?Tuna? diver as its primary design influence (pictured below), complete with the oversized tuna-can-style case, thick bezel, and distinct dive-watch dial configuration.

The two mechanical models include a khaki and a light gray option, both in 43.22-mm cases, constructed in a dark-colored brushed steel, and standing somewhat tall on the wrist at 12.67 mm thick. Like their ?Tuna? ancestors, the models feature a 4 o?clock crown, though conspicuously opt for short lugs as compared to the historical hooded design. Surrounding the dial, we find a 60-minute diving bezel, with the first three quarters colored and the fourth quarter using a contrasting black. Under the Hardlex crystal is a matte dial, with applied luminescent hour markers, surrounded by a curved outer minute ring with a triangle at its top and a day/date window at the 3 o?clock position. Two rectangular hands are used for the hours and minutes, while a...