I think I can probably get the look I'm after from this. 45mm though. https://www.amazon.co.uk/Casio-Collection-Mens-Watch-MRW-200H-1EVEF/dp/B005FEYC2S/ref=sr_1_5?keywords=casio+diver&qid=1572012834&sr=8-5
@J0nathan started
London Fixed Gear and Single-Speed is a community of fixed gear and single-speed cyclists.
I think I can probably get the look I'm after from this. 45mm though. https://www.amazon.co.uk/Casio-Collection-Mens-Watch-MRW-200H-1EVEF/dp/B005FEYC2S/ref=sr_1_5?keywords=casio+diver&qid=1572012834&sr=8-5