The Longines Master Collection L2.793.4.51.6 is a 40mm stainless steel watch featuring a black dial with silver-tone hands and Roman numeral hour markers. It includes a date display at the 3 o'clock position and is powered by the Longines Caliber L888.3 automatic movement, offering a power reserve of approximately 64 hours. The watch is protected by a scratch-resistant sapphire crystal and has a transparent case back. Water resistance is rated at 30 meters. The stainless steel bracelet is secured with a deployment clasp. Reference number: L2.793.4.51.6.