One company has advanced the argument in favor of machined forgings beyond the realm of firearm construction and into the world of high-performance sport wristwatches. Reactor brand timepieces feature machined 316L stainless steel forgings for the cases and backs in models such as the Trident Stainless, or, for the 50-percent lighter Gryphon model, a forged core with an outer case of molded Nitromid—a glass-reinforced polymer similar to that used in modern pistol frames. Some Reactor models also feature the company’s Never Dark Technology, a combination of tritium and phosphourescent materials that make call-offs visible in dim to dark conditions. Reactor offers numerous models and styles, but common features intended to provide durability across the line include a screw-down crown and solid screwbars to attach the bracelet to the case. Prices: $450 (Trident), $350 (Gryphon). Contact: Reactor Watches, 5312 Derry Ave., Suite B, Agoura Hills, CA 91301; (800) 291-6600; reactorwatch.com.