Brand: CERTINA Model: DS Vintage Pre-Turtle Movement: CERTINA automatic 25-451 Case diameter: 36.1 mm excluding crown, see photos to see the exact measurements of the watch. Restored dial, in excellent condition. Case and strap materials: Steel with minimum signs of wear on the case and crystal, see photos to check the actual condition of the watch. Strap length: 11.5 cm (longer part) and 8 cm (shorter part). Watch period or year: 1950s Watch condition: Very good overall condition. In its day, Certina was a leading brand like Longines, Rolex, Cauny, Titan, Omega, Dogma, etc.. The Diver models were every exclusive and are now very sought after by collectors. Extras: No box or papers, recently serviced by a watchmaker. Shipping: Free worldwide shipping via registered and insured mail.