CONDVL12 Longines HydroConquest Blue. Reference L3.7184.108.40.206. Watch measures 41mm and is made from steel. Automatic Longines movement caliber L619/888. 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 steel bracelet with integrated folding clasp. Naturally this watch is complete with the original box and papers dated upon purchase. Please be aware that this watch is brand new and unworn. Great classic diver!