Prospex Sea Series. Designed for those who treat life as the ultimate adventure, the Seiko Prospex line meets every challenge with technological excellence and style. Taking on a sporty, yet refined impression, this beautiful series, created with a sleek profile and proportions specially tailored for a sophisticated look, features both enhanced water-resistance for marine adventures and an elegance suited for finer occasions. An extraordinary blend of form and function, the impressive timepiece displays a silver sunray finish dial with LumiBrite hands for superior visibility in low-light conditions, topped with a scratch-resistant sapphire crystal with anti-reflective coating on the inner surface. Crafted of stainless steel with a high polish multi-faceted bezel catching the light from multiple directions, the versatile watch is designed with a built-in crown protector, a tri-fold push button release clasp, and a secure screwdown caseback. 20 bar, 200M Water Resistant