The Seiko Prospex SLA051J1 is a men's automatic diver's watch, inspired by the 1970s heritage design. It features a 44mm stainless steel case with a super-hard coating and a curved sapphire crystal with anti-reflective coating on the inner surface. The textured charcoal grey dial is equipped with Lumibrite on the hands, indices, and bezel for enhanced visibility. Powered by the 8L35 automatic movement, it offers a power reserve of approximately 50 hours. The watch is water-resistant up to 200 meters, suitable for professional diving. It comes with a stainless steel bracelet featuring a three-fold clasp with secure lock and push-button release with extender.