T5 Tudor Hydronaut II. Reference 20040. Watch measures a beautiful 41mm and is made from steel. Automatic movement caliber ETA 2824-2. Sapphire crystal on the front and a closed case back. Waterproof 20ATM or 200 meters. Functions are hours, minutes, sweep seconds, date and diving scale on the bezel. This watch is fitted with a generic light brown calf leather strap with the original steel folding clasp with security link. An extra generic black calf leather strap with pin buckle is also with the set. Naturally this watch is complete with the original box and papers dated May 2014. Please be aware that this watch has been checked by our watchmaker. Great value for money here!