The CA4610-85M impresses with its colorful dial and the unique combination of Super Titanium™ and Eco-Drive. The watch combines style and functionality in an innovative way. The case and strap of this sporty chronograph are made of super titanium. The watch also features a solar-powered in-house quartz movement and is equipped with a scratch-resistant sapphire glass, screwed case back and day/date display. Citizen has been using titanium, a rarely available raw material, to manufacture watches since 1970. Thanks to their excellent characteristics, watches made from Super Titanium are highly resistant. The Super Titanium used by Citizen is created by using the raw material of pure titanium and Citizen's own in-house coating technology (Duratect). This gives it five times more strength of stainless steel. Super Titanium is Due to its exceptional characteristics, Super Titanium is used by Citizen in the Japanese aerospace industry.