He hasn't missed this. On several episodes of his podcast he and his guests have pondered whether the watch may have some standardised internal bay with upgrada

He hasn't missed this. On several episodes of his podcast he and his guests have pondered whether the watch may have some standardised internal bay with upgradable innards, to keep it up to date year-to-year. Or just trade it in for the newest model, as the gold will be the most valuable (and reusable) part.