Hamilton H52414130 American Classic PSR Digital QuartzProduct Overview In 1970, Hamilton introduced the "Hamilton Pulsar," revolutionizing the way time is displayed on watches. Fifty years later, the "Hamilton PSR" has arrived, celebrating the birth of the world's first LED digital watch. Its hybrid display and stainless steel case bring this innovative timepiece back to life in the modern era. The design is based on the "P2" released in 1973, recreating the iconic wide cushion shaped case. The size is