A Longines Master Collection automatic chronograph men's watch featuring model number L26734786. This timepiece boasts a stainless steel case and bracelet, equipped with a fixed bezel of the same material. The silver dial is complemented by blue hands and prominent Arabic numeral hour markers; it incorporates an analog display including date scale around an inner ring, day of week/month indicator below 12 o'clock, minute markers on the outer rim, and three sub-dials for dual seconds/24-hour time, 30-minute countdown timer, and 12-hour chronograph alongside moonphase indication. Powered by a Longines Calibre L678 automatic movement offering approximately 46 hours of power reserve. The fixed aperture bezel is protected by scratch-resistant sapphire crystal glass, and the case back is designed as a skeleton. It has dimensions of 40 mm diameter and 14 mm thickness with its round shape characteristic design. A 20 mm wide stainless steel bracelet secures to a triple fold over deployment clasp mechanism. The watch provides water resistance suitable for shallow water activities up to 30 meters or 100 feet depth. Key functions include analog hour, minute and second hands driven by the automatic movement, date display visible through its designated window on the dial, chronograph function with elapsed time measurement via three sub-dials reading seconds (dual scale), minutes (up to 30) and hours (chronograph mode); also features a moonphase indicator displaying the lunar cycle. This dress watch is marked Swiss Made and belongs to Longines' Master Collection line.