AT8040-57A and water resistance up to

and water resistance up to 10 bar

Collection: AT8040 Series

With a versatile 40mm size

this watch never requires a battery and is water-resistant up to 100 meters—delivering both functionality and elegance

AT8040-57A and water resistance up toEngineered for Precision. Worn with Confidence. The AT8040 Series represents the pinnacle of CITIZEN's innovation, combining advanced technology with the elegance of luxury and performance. These slimline, Eco Drive powered timepieces feature Radio Controlled accuracy and are crafted with Super Titanium cases and matching bracelets for exceptional durability. Key features include a perpetual calendar, 26 city world time, a three register chronograph