Vintage 19.5mm 1976 Longines Tank Style 528 Mechanical Wristwatch Movement SwissProduct Description Item: Wristwatch Movement Brand: Longines Model: Tank Style Year: 1976 Movement: Mechanical Jewels: 17 Caliber: 528 Country: Swiss Gender: Ladies Product Measurements Diameter: 19. 5mm Diameter of dial: 23mm Product Condition Overall Condition: Poor, overall condition Functions: Running, but may be in need of service. This means, it can run unreliably, start or stop and timekeeping is not guaranteed Dial condition: Has spotting.