L50  Longines Master Quadruple Retrograde. Reference L2.738.45.17. Watch measures a perfect 41mm and is made from steel. Automatic Longines movement caliber L707.2. Sapphire crystals on both sides of the case. Water resistant. Functions are hours, minutes, retrograde seconds, retrograde date, retrograde day, retrograde 24 hour indicator, day/night indicator and moonphase. This watch is fitted with the original black leather strap with a steel double folding clasp. Naturally this watch is complete with the original box and papers dated September 2018. Please be aware that this was a very careful first owner watch who wore this watch only once or twice and is therefore still in nearly new condition. Fantastic complicated watch! SOLD