Founded in 2002 by Bill Yao in Pennsylvania, MK II Watches is an American watch brand specializing in military-inspired tool watches. Its name, "Mark II," refers to the terminology used to designate an evolution or second generation of equipment. This philosophy summarizes the brand's approach: reinterpreting historical military watches by adapting them for contemporary use. MK II draws its inspiration primarily from American and British military history. Its creations adopt the functional codes of watches once designed for pilots, divers, and special forces. The Paradive, for example, is inspired by a watch developed for certain American special forces units during the Cold War. The Hawkinge, meanwhile, evokes the famous British pilot's watches meeting the Mark 11 specification. MK II modernizes these designs with contemporary materials, movements, crystals, and water resistance levels. The brand thus particularly appeals to enthusiasts of military watches, field watches, dive watches, and tool watches. Its catalogue constitutes a bridge between military watchmaking heritage and modern mechanical watches, without presenting itself as a strictly identical reproduction of historical models.