The Breitling Navitimer Automatic 36 A17327381B1A1 is a 36 mm stainless steel watch featuring a beaded bezel and the iconic circular slide rule. It has an anthracite dial with baton indexes and is powered by the COSC-certified Breitling Caliber 17, offering approximately 38 hours of power reserve. The watch includes a stainless steel bracelet and is water-resistant up to 30 meters. Reference number: A17327381B1A1.