Medical imaging firm EIZO wanted to come up with a catchy giveaway that highlighted their expertise in “high-precision displays for the examination and diagnosis of radiographs.” The result, dreamt up by German ad firm BUTTER: A pin-up calendar in which women, truly, truly bare all. As the promotion concept puts it, “Very popular among craftsmen but quite new for medics: Pin-up calendars. At last, one which shows absolutely every detail.”

The photo for January is above. Check out the full calendar after the jump: