For some reason some websites (including Watchbase!) are listing the silver Carrera as a CBK211B, even Calibre11 when you look on Google shows the wrong number - but then when you open the page it is the correct CBK221B.
Holy bezels @Aquagraph!* is there end to the level of detail that you’ll go to on all things Tag? (best read in batman 60s tv show voioice)