The reissue of China's first aviation chronograph military watch D304, was released in October 2018 with a worldwide limited edition of 5500 pieces, each with an independent number. We searched all the China Seagull offline stores! The last one left, never to be restocked with serial number - 4104/5500. Act quickly - when these iconic watches are gone, they are gone for good, along with your chance to own a distinctive piece of horological history.