18ct yellow gold Breitling Superocean K10340. Case diameter 40mm. Water resistant to 1,000 meters. Automatic chronometer movement. Blue dial with Arabic numeral hour markers and date display at 3 position. 18ct yellow gold uni-directional bezel. Black calf strap with 18ct yellow gold buckle. Service box and Breitling service dated April 2017. Our reference S18975.