Stewart H
·Regrettably not pictures of one that I own (maybe one day) but a great piece of Louesque research over on WUS.
http://forums.watchuseek.com/f27/zenith-espada-chronograph-overview-1972-75-ref-a7817-01-0040-418-a-816544.html
http://forums.watchuseek.com/f27/zenith-espada-chronograph-overview-1972-75-ref-a7817-01-0040-418-a-816544.html