70’s Casebacks

https://youtu.be/MWpdggnV0Vk   Here I look at the early case backs fitted to early 1970’s speedmasters starting with the smooth “Pre-Moon” back.   This page is a companion page to Episode 4    In the next photo I show a 145.022-69 with a DN90 bezel, and a smooth back. Here we see the back shows a […]