L29 longines HydroConquest. Reference L3.640.4.56.6. Watch measures 39mm and is made from steel. Swiss high precision quartz movement by ETA. Sapphire crystal on the front and a closed case back. Waterproof 30ATM or 300 meters. Functions are hours, minutes, sweep seconds and date. This watch is fitted with the original full length steel bracelet with integrate folding clasp with security link. Naturally this watch is complete with the original box and papers dated April 2011. Please be aware that this watch has just been fully serviced and polished by our Longines certified watchmaker. Great classic diver! SOLD