The Seiko Prospex SPB455J1 1965 Heritage Diver’s 100th Anniversary Special Edition Men Watch celebrates Seiko’s century of watchmaking excellence. Powered by the Calibre 6R55 automatic movement, it offers a 72-hour power reserve and precision performance. The 40mm stainless steel case with screw-down crown and one-way rotating bezel is water resistant to 300 meters, making it a professional-grade diver’s watch. Featuring a charcoal dial with Lumibrite markers, curved sapphire crystal, and a stainless steel bracelet with an additional nylon strap, this anniversary edition comes in a special presentation box.