Longines Master Collection Multifunctional Watch features day, date, 24-hour, and moon phase functions at the 3, 6, and 9 o'clock positions. It is powered by the 3836 movement, known for its stability and precision in timekeeping. The case is crafted with a brushed finish, enhancing its overall elegance and durability. This newly upgraded classic and versatile Longines men's watch boasts a fully automatic mechanical movement, mineral crystal glass, and a 316L stainless steel case, complemented by an imported Italian calfskin leather strap (with matching leather grain on the back). The matte texture of the 316 stainless steel adds a fashionable touch suitable for both business and casual occasions. Dimensions: 40mm diameter, 12mm thickness. A product from AD is guaranteed to be of high quality.