Citizen BY1010-57L Blue Lunar Dial Eco-Drive Super Titanium Radio Controlled BFD The refinement and elegance of

The refinement and elegance of the original 1965 KSK inspire the new series

With four stars for 40 engraved on the band loop and other special details

a Blue moon design at the center

Shock Resistant

Authentic fitness and health goes along with caring about the environment

Citizen BY1010-57L Blue Lunar Dial Eco-Drive Super Titanium Radio Controlled BFD The refinement and elegance ofThe dial features luminous silver toned hands and markers, a Blue moon design at the center, a date display, and a trio of chronograph sub dials that track the day, AM PM and phases of the moon. 43. 0mm silver toned case with sapphire crystal The Super Titanium case material is 40% lighter and five times stronger than stainless steel. Radio controlled quartz movement automatically updates to correct time while the Eco Drive technology harnesses the