Citizen Collection AS1064-53E Solar Radio Controlled Black Sapphire Slim Business Men's Watch

[NIGHT COLOR EDITION] This popular model from the Citizen Collection, designed to combine basic watch performance with stylish design, is unified in black. It creates a striking and cool impression. This radio-controlled watch features Eco-Drive technology, a light-powered technology that keeps the watch running even with minimal light. It's also recommended as a pair watch with a similarly themed item. The simple adjustment allows you to adjust the strap length yourself, making it a perfect gift. [8.4mm thin case] The beautiful, simple dial and bezel ring with a metallic texture and the thin case fit comfortably on the wrist, and the simple design suits people of all ages, making this a recommended model for those purchasing a radio-controlled watch for the first time. Citizen's radio-controlled watch keeps accurate time at all times: Equipped with Citizen's proprietary light-powered Eco-Drive technology, this radio-controlled watch eliminates the need for regular battery changes, eliminating the need for hassle. It synchronizes to accurate time and is packed with radio-controlled watch technology, a field Citizen has been pursuing for 30 years. [Designed for long-lasting use] We have pursued improved durability with the desire to ensure that you can use it for a long time. Its 5 ATM water resistance and durable sapphire crystal protect your precious watch from any situation. [Product Details] Solar-powered Eco-Drive radio-controlled watch, ±15 seconds per month (when not receiving), solar-powered: approximately 2 years (when power save is activated), 5 bar water resistance, case/band: stainless steel, sapphire crystal, perpetual calendar, magnetic resistance grade 1 *Operation instructions can also be found in the instruction manual on the manufacturer's website (model number: H415).