Longines Master Collection Multifunction Watch features the day, date, 24-hour, and moon phase functions at the 3, 6, and 9 o'clock positions, respectively. It is equipped with the 3836 movement (stable and precise timekeeping). The case sides are crafted with a brushed finish, enhancing the overall elegance and durability. This newly upgraded, classic and versatile Longines men's watch features a fully automatic mechanical movement, mineral reinforced glass, and a 316L stainless steel case with an imported Italian calfskin leather strap (the strap's back also features matching leather texture). With its stylish design, it is perfect for both business and casual wear. Dimensions: diameter 40mm, thickness 12mm. An outstanding product that is sure to be a masterpiece.