From the Seiko Prospex Sea Series. Designed for those who treat life as the ultimate adventure, the Prospex Sea combines enhanced water-resistance for marine activities with an elegance suited for finer occasions. This timepiece displays a luxurious mother of pearl dial with LumiBrite hands for superior visibility in low-light conditions. Curved sapphire crystal with anti-reflective coating, built-in crown protector, tri-fold push button release clasp, and screwdown caseback. 20 bar, 200M Water Resistant.