Vintage Certina 21 Jewel Men's Automatic Wristwatch 25-45 w Black Crosshair Dial

Vintage Certina 21 Jewel Men's Automatic Wristwatch 25-45 w Black Crosshair Dial GENERAL INFORMATION Item: Wristwatch Brand: Certina Gender: Men's Movement: Automatic Jewels: 21 Jewel Caliber: 25-45 Case Material: Stainless Steel with 10k Gold Filled Bezel MEASUREMENTS Diameter excluding crown: 33.7mm Length from tip to tip of lugs: 41mm Lug width: 18.2mm CONDITION Ok, overall condition for its age. Running, but I dont know the last time it was serviced. There is plating wear through and scratches on the case. There is discoloration on the dial. The crown is worn. The band is not original.