Zenith Espada silver dial Day-Date Chronograph ref 01.0040.418 50-70 with end links stamped 580

with end links stamped 580 and a clasp marked "S X10

The watch has very simple white metal hands and a blue cabochon-topped winding crown

with a smooth bezel that has good edges

We have always had a soft spot for white gold Day-Dates

Zenith Espada silver dial Day-Date Chronograph ref 01.0040.418 50-70 with end links stamped 580Introduced at the dawn of the automatic chronograph era, the Zenith Espada arrived as a highly ambitious timepiece. It was not just another self winding chronographit combined a full calendar and moonphase display, placing it among the most technically complex automatic chronographs of its time. In the early 1970s, Zenith collaborated closely with Movado, and the Espada shared strong visual and technical ties with the Movado Astronic, also known as