Vintage 30mm Helbros Invincible Men's Mechanical Wristwatch ST 96-4 Sunburst

Item: Wristwatch Size: 30mm Brand: Helbros Model: Invincible Gender: Men's Movement: Mechanical Caliber: ST 96-4 Case Material: Stainless Steel and Gold Tone MEASUREMENTS Diameter: 30mm Tip to Tip of lugs: 37.7mm Lug width: 17.5mm CONDITION Fair, overall condition for its age. Running, but I dont know the last time it was serviced. This means, it can run unreliably, start or stop and timekeeping is not guaranteed.There are scratches on the case. There are scratches on the crystal. The band is not original.