Analog Black Dial Watch with automatic movement. Features a stainless steel case and oyster bracelet. Includes bi-directional rotatable bezel with cerachrom inserts (red/blue). Luminous silver-tone hands and dot markers on the black dial. Minute markers around outer rim. Date display at 3 o'clock position. Sapphire crystal for scratch resistance. Power reserve of approximately 70 hours. Water resistant to 100 meters/330 feet. Round case shape measuring 40 mm in diameter. Screw down crown and solid case back. Part of the GMT-Master II Series (Model Reference: 126710bkso).