Breitling 18K Rose Gold Transocean Chronograph Model RB015212/BB16. This Breitling is 43mm and on a black crocodile strap with 18K Rose Gold Deployment and a transparent sapphire crystal back showing the Self Winding Mechanical in house BR01 movement which has a 70 hour power reserve and chronograph complication. The watch is till under the 5 year warranty and has recently been serviced by Breitling for maintenance.