The Longines Master Collection ref: L2.773.4.71.6 features a stainless steel case with a diameter of 42mm. This automatic timepiece is powered by the Longines caliber L678.2 and includes a 24-hour indication, date, month, chronograph, and moonphase functions. The watch was released in 2023 and showcases a grey dial. Its combination of features makes it a versatile choice for various occasions.