The Longines Master Collection L2.910.4.92.0 is a men's automatic watch featuring a 40mm stainless steel case with a polished finish. It has a blue sunray dial with silver-tone hands and index hour markers, and a date and month display at the 3 o'clock position. Powered by the Longines Caliber L897 movement, it offers a power reserve of approximately 64 hours. The watch is fitted with a blue alligator leather strap and is water-resistant up to 30 meters. Reference number: L2.910.4.92.0.