L51  Longines HydroConquest. Reference L3.780.49.66. Watch measures a perfect 39mm and is made from steel. Blue ceramic bezel. Automatic Longines movement. Sapphire crystals on both sides of the case. Waterproof 30ATM or 300 meters. Functions are hours, minutes, sweep seconds and date. Rotating bezel for diving. This watch is fitted with the original steel full length bracelet with integrated folding clasp with security link. Naturally this watch is complete with the original box and papers dated September 2022 with plenty of the original 5 years Longines warranty left. Super sports watch and rare in 39mm! SOLD