AT8040-57A this watch never requires a

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

Additionally

Metal Platinum:

•Clarity-VS1

and water resistance up to 10 bar

AT8040-57A this watch never requires aEngineered 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