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Purposeful Power
Technology
Leading the way in innovation, Citizen’s cutting-edge technology and groundbreaking design continually redefine excellence, pushing boundaries and reshaping the future.
![](https://www.citizenwatch.com/dw/image/v2/BBQB_PRD/on/demandware.static/-/Sites-citizen_US-Library/default/dw4e7df8b3/technology-images/hero-images/hero-technology-eco-drive-desktop-sp24.jpg?sw=768&sfrm=jpg&q=80)
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Eco-Drive
Sustainably powered by light. Any light. Eco-Drive converts light into renewable energy, so your watch recharges continuously without ever needing a battery. The latest breakthrough: a watch that runs for 365 days on a full light charge.
![](https://www.citizenwatch.com/dw/image/v2/BBQB_PRD/on/demandware.static/-/Sites-citizen_US-Library/default/dw9fd3739f/technology-images/hero-images/hero-technology-super-titanium-desktop-sp24.jpg?sw=768&sfrm=jpg&q=80)
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Super Titanium™
Five times harder and 40% stronger than stainless steel, Super Titanium™ is a space-age material treated with Duratect surface-hardening technology that’s lightweight, gentle on the skin, and both scratch- and rust-resistant.
![Atomic Timekeeping image featuring Promaster Skyhawk A-T watch model JY8078-52L](https://www.citizenwatch.com/dw/image/v2/BBQB_PRD/on/demandware.static/-/Sites-citizen_US-Library/default/dwaf271c9e/technology-images/hero-images/hero-technology-atomic-timekeeping-desktop-sp24.jpg?sw=768&sfrm=jpg&q=80)
![Atomic Timekeeping image featuring Promaster Skyhawk A-T watch model JY8078-52L](https://www.citizenwatch.com/dw/image/v2/BBQB_PRD/on/demandware.static/-/Sites-citizen_US-Library/default/dwaf271c9e/technology-images/hero-images/hero-technology-atomic-timekeeping-desktop-sp24.jpg?sw=1024&sfrm=jpg&q=80)
![Atomic Timekeeping image featuring Promaster Skyhawk A-T watch model JY8078-52L](https://www.citizenwatch.com/dw/image/v2/BBQB_PRD/on/demandware.static/-/Sites-citizen_US-Library/default/dwaf271c9e/technology-images/hero-images/hero-technology-atomic-timekeeping-desktop-sp24.jpg?sw=1440&sfrm=jpg&q=80)
Atomic Timekeeping
The world’s most advanced timekeeping system uses radio control and Eco-Drive technology to automatically update the time and date of your watch based on a time signal from an atomic clock, with a margin of error of one second every 100,000 years.
![Satellite Wave GPS image featuring Attesa watch model CC4055-14H](https://www.citizenwatch.com/dw/image/v2/BBQB_PRD/on/demandware.static/-/Sites-citizen_US-Library/default/dwa0c030a2/technology-images/hero-images/hero-technology-satellite-wave-gps-desktop-sp24.jpg?sw=768&sfrm=jpg&q=80)
![Satellite Wave GPS image featuring Attesa watch model CC4055-14H](https://www.citizenwatch.com/dw/image/v2/BBQB_PRD/on/demandware.static/-/Sites-citizen_US-Library/default/dwa0c030a2/technology-images/hero-images/hero-technology-satellite-wave-gps-desktop-sp24.jpg?sw=1024&sfrm=jpg&q=80)
![Satellite Wave GPS image featuring Attesa watch model CC4055-14H](https://www.citizenwatch.com/dw/image/v2/BBQB_PRD/on/demandware.static/-/Sites-citizen_US-Library/default/dwa0c030a2/technology-images/hero-images/hero-technology-satellite-wave-gps-desktop-sp24.jpg?sw=1440&sfrm=jpg&q=80)
Satellite Wave GPS
The precise time anywhere in the world. This breakthrough technology with Eco-Drive receives time signals from GPS satellites to automatically update your watch to the correct date and time, offering the world’s fastest satellite time reception at 3 seconds.