Probably wasn't in the catalogue. Is it listed under 'other watches'? Sure it's there somewhere.
So the 300 SLR wasn't missing from your Carrera list, it was just listed in a different year than when it was introduced (2010), and that's why I hadn't found it 😉👍🏼
Oh that catalogue sucks! It's all over the place. There's no model index at the back like almost all the others.... no wonder I missed it. The other SLRs are (Calibre S and Calibre 17) are near the back. I can move it... but using catalogues to establish years is an imperfect science. If I was to do it over I would never try and do that. I made so much work for myself. And then people like you come along and complain!!! 😁
Well, let that be a lesson to you! 😆