The Longines PrimaLuna Moonphase L8.126.5.79.7 is a women's watch featuring a 34 mm stainless steel case with an 18-karat yellow gold cap. It houses the Longines Calibre L899.5 automatic movement, offering a 72-hour power reserve. The opaline ivory dial displays black painted Roman numerals and includes a moonphase indicator with a date display at the 6 o'clock position. The watch is water-resistant up to 30 meters and is fitted with a stainless steel and 18-karat yellow gold cap bracelet, secured by a triple safety folding clasp with a push-piece opening mechanism. Reference number: L8.126.5.79.7.