CER1  Certina DS Super PH1000M Sea Turtle Conservation. Reference C024.907.17.041.10A. Watch measures a perfect 44mm and is made from steel. Automatic movement caliber Powermatic 80 which obviously provides for a power reserve of 80 hours. Sapphire crystal on the front and a closed case back. Waterproof 100ATM or 1000 meters (suitable for swimming and (serious) diving). Functions are hours, minutes, sweep seconds and date. Rotating bezel for diving (special “press and rotate” system unlike any other diving watch. Beautiful turquoise dial. This watch is fitted with the original black rubber strap with orange stitching and steel pin buckle. Notice the extra “lock” pin on the strap holder for extra security. Naturally this watch is complete with the original box and (undated) papers. Please be aware that this watch was made in an extremely small number of pieces and is quite rare in the pre-owned market. Please also be aware that this watch has been worn only once and is therefore still in new condition. Stupendous value for money for such a well designed and equipped diving watch!