Out of stock Citizen Citizen Watch BY1010-81L Eco-Drive Tsuki-Yomi Moonphase Blue Citizen BY1010-81L €627.43 €698.00 The Citizen BY1010-81L, part of the Tsuki-Yomi Moonphase Radiocontrolled collection, merges elegance and technology. With Eco Drive H874 movement, Super Titanium case, and 10 Bar water resistance, it is a masterpiece that redefines watchmaking. View product