CER2  Certina DS PH200M. Reference C136.407.16.050.00. Watch measures a great 42.9mm and is made from steel. Automatic Certina movement caliber Powermatic80 which obviously provides for 80 hours of power reserve. Sapphire crystal on the front and a closed case back. Waterproof 20ATM or 200 meters (suitable for swimming and diving). Functions are hours, minutes, sweep seconds and date. Rotating bezel for diving. This watch is fitted with the original brown leather strap with steel pin buckle. And extra NATO strap is catered in the box. Naturally this watch is complete with the original box and papers dated July 2021. Please be aware that this watch has not been worn many times and is therefore still in mint condition. Superb action companion!