The Citizen NJ0170-83Z is a men's automatic watch in a diver style, featuring a striking yellow dial and robust stainless steel construction. This watch combines professional diving watch functionality with mechanical precision in a case measuring 43 mm in diameter and 12.4 mm in thickness. The stainless steel bracelet offers secure comfort, while the rotating bezel and 100-meter water resistance make it suitable for swimming and snorkeling activities. High-contrast luminous hands and indices ensure excellent readability in low light conditions, complemented by scratch-resistant mineral glass. Powered by the Citizen Caliber 8210 automatic movement with 21 jewels, this mechanical watch provides reliable timekeeping with a 45-hour power reserve and manual winding function. The transparent case back allows for a view of the intricate mechanical movement in action. The yellow dial creates a striking visual contrast with the stainless steel case, making this watch both functional and visually distinctive. The date display function adds practical utility for everyday use. This diver's watch retains the essential features of professional timepieces while providing the comfort of automatic mechanical function. The complete package includes original packaging and documentation for proper presentation and care instructions. With its combination of automatic movement reliability, water resistance, and durable construction, this Citizen watch serves as a dependable timekeeping instrument for sports and everyday life.