![Men's Best Selling watches, featuring Promaster Dive model BN0191-55L image.](https://www.citizenwatch.com/dw/image/v2/BBQB_PRD/on/demandware.static/-/Sites-citizen_US-Library/default/dw60f69f17/hero-images/mens/hero-mens-best-sellers-BN0191-55L-mobile-sp24.jpg)
![Men's Best Selling watches, featuring Promaster Dive model BN0191-55L image.](https://www.citizenwatch.com/dw/image/v2/BBQB_PRD/on/demandware.static/-/Sites-citizen_US-Library/default/dwee2c2473/hero-images/mens/hero-mens-best-sellers-BN0191-55L-desktop-sp24.jpg?sw=1024&sfrm=jpg&q=80)
![Men's Best Selling watches, featuring Promaster Dive model BN0191-55L image.](https://www.citizenwatch.com/dw/image/v2/BBQB_PRD/on/demandware.static/-/Sites-citizen_US-Library/default/dwee2c2473/hero-images/mens/hero-mens-best-sellers-BN0191-55L-desktop-sp24.jpg?sw=1440&sfrm=jpg&q=80)
Men's
Best Sellers
The most popular Citizen watch styles for him.
![Eco-Drive Technology Image](https://www.citizenwatch.com/dw/image/v2/BBQB_PRD/on/demandware.static/-/Sites-citizen_US-Library/default/dw991f9ed7/technology-images/hero-images/hero-technology-eco-drive-mobile-sp24.jpg)
![Eco-Drive Technology Image](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=1024&sfrm=jpg&q=80)
![Eco-Drive Technology Image](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=1440&sfrm=jpg&q=80)
Purposeful Power
Eco-Drive
More than 40 years ago, Citizen created Eco-Drive, the only technology that harnesses light, any light, to power watches continuously and sustainably.
Men's
Best Sellers
The most popular Citizen watch styles for him.
Purposeful Power
Eco-Drive
More than 40 years ago, Citizen created Eco-Drive, the only technology that harnesses light, any light, to power watches continuously and sustainably.