Vintage Cortebert 17 Jewel Mechanical Wristwatch Cal. 688 Military Style RunsProduct Description Item: Wristwatch Brand: Cortebert Movement: Mechanical Wind Gender: Men's Caliber: 688 Product Measurements Diameter excluding crown : 31. 5mm Lug Width: 16. 4mm Tip to Tip of Lugs: 38. 8mm Product Condition Poor, 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. The crystal is cracked. There is discoloration on the dial. The crown is worn.