The Breitling Premier B01 Chronograph 42 RB0145371G1P1 is a self-winding mechanical watch featuring the Breitling Manufacture Caliber 01 movement with a 70-hour power reserve. It has a 42mm 18k red gold case, a cream dial with tone-on-tone chronograph counters, and a brown alligator leather strap. The watch includes a date display at 6 o'clock and is water-resistant up to 100 meters. Reference number: RB0145371G1P1.