The Longines Master Collection L2.257.8.78.3 is a women's automatic watch featuring a 29mm 18K rose gold case and a silver 'barleycorn' dial with blue hands and Arabic numerals. Powered by the Longines Caliber L592 movement, it offers a 45-hour power reserve and operates at 28,800 vibrations per hour. The watch includes a date function at the 3 o'clock position and is water-resistant up to 30 meters. It is fitted with a brown alligator leather strap secured by a triple safety folding clasp with push-piece opening mechanism. Reference number: L2.257.8.78.3.