Breitling Bentley Unitime Ref: AB0521. 49mm steel case, which is water resistant to a depth of 100 metres. Automatic Breitling B05 calibre movement, with 70 hour power reserve. Black dial with black sub dials, with applied index hour markers. Slide rule bezel showing the 24 timezones for world cities. Seethrough case back. Breitling Bentley rubber strap with folding clasp. Comes with additional Brown leather strap with Steel Breitling pin buckle. Box and papers dated June 2017.