This is a model with a triple calendar and moon phase from the popular "ACT Line" with its strong and light design. It's a great way to keep your eyes on the road ahead. It converts a small amount of sunlight or light into electricity. It is equipped with Citizen's original technology that continues to move with the light. The titanium model is about 40% lighter than stainless steel, gentle on the skin, and beautifully refined. The titanium model is 40% lighter than stainless steel, skin-friendly and beautiful. In addition to water resistance, it is also anti-magnetic, anti-nickel, and uses sapphire glass to protect your watch from all kinds of situations. Product Details] Accuracy: ±15 seconds per month, Photovoltaic: 6 months, Function: Moon phase, Water resistance: 10 ATM [Case Size] Diameter, Width: 42mm / Thickness: 12.2mm Details: This Eco-Drive watch features a triple calendar with month, date, and day, as well as a moon phase display, with four indexes on a return ring for a powerful and striking design. The combination of the metal dial and the separate metal rings at the 12 and 6 o'clock positions creates a glossy, three-dimensional effect. The calendar section incorporates a multi-layered design while ensuring excellent legibility.