Automatic mechanical movement. Stainless steel round case with unidirectional rotating bezel and black top ring. Black dial features luminous silver-tone hands and index hour markers, plus minute markers around the outer rim. Day of week display at 9 o'clock position, date display at 3 o'clock position. Sapphire crystal resistant to scratches. Solid case back and screw down crown. Fold over bracelet clasp. Water resistant up to 200 meters / 660 feet depth. Suitable for professional marine activity serious surface water sports and skin diving.