To celebrate the 30th anniversary of its Eco-Drive technology, the brand goes all-in on a timepiece that exemplifies its ...

On top of its striking aesthetics, the watch is equipped with a high-accuracy light-powered Eco-Drive movement. It also ...

IWC Big Pilot’s Watch Perpetual Calendar Top Gun Lake Tahoe $46,600. Patek Philippe Patek Philippe Perpetual Calendar Chronograph Ref. 5270P-014 $218,820. Bulgari ...

The Citizen Tsuki-yomi A-T combines modern functionality with elegance, featuring Eco-Drive movement, moon phase, world time, and perpetual calendar in a lightweight, durable titanium case with a ...

Titanium is mechanically strong, corrosion-resistant, and incredibly light. That’s why we are suckers for watches cast in the low-density metal. Back in 1970, Citizen became the first company to ...

If a perpetual calendar were kept continually operating, it would correctly adjust until the year 2100, when our Gregorian calendar skips the normal leap year. At that point, the mechanism ...