PROMASTER Watch Solar Powered 20 ATM Water Resistant Aviation Slide Promaster SKY Series Sapphire Glass Business Analog Luminous Chronograph Silver

[A pilot's watch with a compact 40mm case size and a metallic shine] The Citizen PROMASTER is a genuine sports watch that combines functionality, durability, and safety. This compact model features an aviation slide rule function while maintaining a case diameter of 40mm. It is a watch that boasts excellent visibility and operability, as well as a luxurious shine. [Metallic Sheen] The edges of the sub-dials and the indices have a mirrored finish that gives them a three-dimensional appearance. The case lugs and crown guard also feature a wide mirrored surface, creating a metallic sheen throughout the watch. In addition to the aviation slide rule markings, the 1/5 second chronograph markings are also finely engraved, giving it the precision befitting a pilot's watch. 【User-Friendly Features and Performance】Equipped with Eco-Drive light-powered technology, it's hassle-free. It converts even faint sunlight or light into electricity. Once fully charged, it will continue to operate for a long time even in the dark, eliminating the need for regular battery changes. 20 ATM water resistance makes it safe for water-related work and water sports. Convenient date display and luminous hands and indices. [Product Details] Eco-Drive light-powered watch, accuracy ±15 seconds/month, power reserve: approx. 9 months, 20 ATM water resistance, sapphire crystal (anti-reflective coating), case/band: stainless steel, magnetic resistance (Type 1), luminous hands and indices. *Detailed instructions for operating the watch can also be found in the instruction manual on the manufacturer's website (model number: B620). [About Charging] Eco-Drive uses light as energy. Once fully charged, it will operate for approximately 9 months. We recommend fully charging it using sunlight when you first start using it. Also, when you take it off your wrist and put it down, store it in a place where it is exposed to light or illumination so that you can use it without worrying about the watch stopping during your daily life.