[Casio] Found a NOS Edifice EF-503SG (poor man's Speedmaster) : r/JapaneseWatches
My Casio Speedmaster : r/casio
9 watch brands that tech millionaires love: Elon Musk and Jeff Bezos wear Omega, and Bill Gates goes for Casio, while Silicon Valley CEOs are fans of Cartier, Rolex – and Apple