Longines Master Collection Multifunction Watch features day, date, 24-hour, and moon phase functions at the 3, 6, and 9 o'clock positions respectively. It is powered by the reliable and precise Caliber 3836 movement. The side of the case is crafted with a brushed finish, adding to its overall elegance and durability. This newly upgraded classic and versatile Longines men's watch boasts an automatic mechanical movement, reinforced mineral glass, and a 316L stainless steel case. It comes with an imported Italian calfskin leather strap (the back of the strap features a matching color texture) and has a stylish matte finish for the 316 stainless steel, making it perfect for both business and casual wear. Dimensions: 40mm in diameter, 12mm in thickness. Produced by AD, this is guaranteed to be a premium piece.