Reading time 8 min. The Semiquincentennial, say that five times fast Watches for America at 250: Breitling, Bulova, Benrus, and Praesidus Mark a Historic Anniversary As the United States approaches its 250th anniversary on July 4th tomorrow, watchmakers are joining the celebration with a new generation of commemorative timepieces. Some look to the nation’s founding ideals, others to its military heritage, and some simply capture the enduring appeal of red, white, and blue on the wrist.