So named because the first watch with this case was the first modern mechanical GS: the SBGR001 of 1998. Inside was the new cal. 9S55. The designer of the case was Nobubiro Kosugi, who relates the process of its creation: article.gs-story.com l ...
Some years ago, before the brand became well known, I did a comparison post of the cases and movements. I’d be interested in your reaction, now that we know and understand GS a bit better than we did in “the old days.” Here’s the l...