I’ll be sharing images from my articles and some other watch-related photos, including what might be for sale, via IG @watchcarefullydotcom. Also, be sure to check out @equationoftimeforum and @equationoftime.us to see more watches and connect with folks from the EOT community.

A lot of research has resulted in a plausible theory of why some vintage Rado watches have an E appended to the name or 5-digit reference number (pre-1973). The E is thought to signify that the watch, whose earliest examples were powered by an AS movement, is a newer one powered by ETA (e.g., Diastar 1 and 1/E). Read more about this in the Rado Forum at equationoftime.com.

My next feature article about Rado watches has been scheduled for publication in the Watch & Clock Bulletin of the NAWCC. Once it has been issued in print, I’ll also be posting it on WatchCarefully.com and including some additional images. For a teaser, check out #rado56h on Instagram. Here are a couple images to give you a flavor...