[HAKUTO-R collaboration model using crystalline titanium] Citizen ATTESA continues to advance the next generation with titanium. A jet-black watch with the theme of the darkness that spreads through space and the small amount of light that the private lunar exploration program HAKUTO-R challenges. The inner sesame of the band uses crystalline titanium, each with a different expression, to mysteriously express the unfathomable darkness of space. [High-quality black body that looks great on and off] The black dial has a crystal pattern created by a mold that resembles crystal titanium. Small black parts are layered on top of this to create an expressive monochrome finish with a variety of blacks. The dial has a silver accent that shines in an arc shape. It expresses the light that can be seen beyond the darkness. The back cover features a silver moon and HAKUTO-R logo design. [Reliable functions and performance] Equipped with Citizen's proprietary technology, Photovoltaic Eco Drive, which eliminates the need for regular battery replacement. A world time radio clock that synchronizes to accurate time no matter where you are. Super titanium is scratch-resistant, lightweight, and rust-resistant. Black titanium series. The scratch-resistant and highly transparent sapphire glass is coated with a coating (clarity coating) that suppresses reflection and makes the dial easier to read. Water resistant to 10 ATM, safe for water work. Convenient date and luminous (hands + index). The fit adjuster allows you to finely adjust the length of the band (approx. 7mm). [Designed to fit both suits and casual wear] The ACT Line has a strong and light design that can be worn both in suit style and casual style, to match the diversifying business styles. Values, workplaces, and fashion. In this age of diversification, it fits in a variety of situations, regardless of whether it is on or off. A sophisticated appearance and a high-quality black body. The Black Titanium (TM) series attracts adult wearers with its unchanging commitment and innovation. [Product details] Photovoltaic eco-drive radio clock, ±15 seconds/month (when not receiving data), photovoltaic generation: approximately 10 months (when power save is activated), water resistant to 10 atm, case/band: super titanium, sapphire glass ( Clarity coating), Luminous (hands + index), Fit adjuster, Perpetual calendar, Radio reception during Japan, China, America and Europe, Chronograph function (1/20 second, (60 minutes), metal resistant, magnetic resistant, type 1, limited to 2,900 pieces worldwide *Detailed operating instructions can also be found in the instruction manual on the manufacturer's website (model number: H800).