Automatic Diving Watch Seiko SPB101J1 steel Prospex. Watch with steel case 45 mm in diameter and 12 mm thick. Black dial with date, screw-down crown, unidirectional rotating bezel with black IP treatment. Indexes and spheres with Lumibrite. Professional diver cal. 6R35 with automatic winding movement 3 spheres / dat with Frequency 21.600 alternation / hour - 24 jewels with manual winding option and a power reserve of over 70 hours. Stainless steel bracelet with triple lock, push-button release with extension. Water resistant clock of 20 Bar delivered with original box and official guarantee. Re-edition of the historical Seiko Underwater model from 1968. bf22