The Longines Master ref: L2.919.4.78.3 features a stainless steel case with a diameter of 42mm. This model, produced in 2019, is powered by the automatic winding Longines caliber L899.2. The watch displays a silver dial and includes a date function as well as a moonphase complication. Its design combines functionality with a classic aesthetic, making it a versatile choice for various occasions.