Citizen Chronomaster has always been compared to King Seiko but these days it might as well be Grand Seiko. Then there is Casio Oceanus, which has been zaratsu finished the Grand Seiko way, rumor has it at the same place. Time to compare, and keep in mind the different price points of these full titanium watches. Casio retails at under 500, Citizen at around 2500, Grand Seiko at 3000 plus.