The Longines PrimaLuna ref: L8.115.5.31.7 features a stainless steel case with a 31mm diameter. This model, introduced in 2022, is powered by a quartz movement, specifically the Longines caliber L296.2. The watch displays a champagne dial and includes functions for both date and moonphase. Its design is complemented by a polished finish, making it a versatile addition to any collection.