TIS11 Tissot Seastar 1000 Chronograph Automatic. Reference T066.427.11.057.00. Watch measures a cool 48mm and is made from steel. Automatic movement base caliber ETA. Sapphire crystals on both sides of the case. Waterproof 100ATM or 1000 meters. Functions are hours, minutes, sub seconds, chronograph and date. This watch is fitted with the original steel bracelet with integrated folding clasp with security link. All links are with the watch. Naturally this watch is complete with the original box and (open) papers. Please be aware that this watch is in pristine condition and was hardly ever worn. Stupendous value for money for an automatic 1000 meter diving watch with open case back!