Product Details

With box and papers This is the Citizen Eco-Drive Tsuki-Yomi A-T "Blood Moon" watch (Reference BY1018-55X / BY1018-80X). It is highly regarded as the world's first moon phase watch that combines light-powered Eco-Drive technology with radio-controlled atomic timekeeping. Key Specifications & Features Case and Material: Crafted from Citizen's proprietary Super Titanium, making it 5x harder and 40% lighter than standard stainless steel. The Dial: Features a unique, texturized deep red "moon surface" dial inspired by a blood moon. Movement: Powered by the Citizen Caliber H874 quartz movement.Atomic Timekeeping: Automatically synchronizes nightly via radio signals with global atomic clocks to maintain absolute accuracy. Complications: Includes a dynamic moon phase indicator at 6 o'clock (with manual northern/southern hemisphere switching), world time functionality across 24 time zones, a perpetual calendar, and day-date sub-dials.Durability: Features a flat, scratch-resistant sapph