Vintage 19.5mm Waltham "25" Shockproof Mechanical Wristwatch Movement Swiss RunsProduct Description Item: Wristwatch Movement Brand: Waltham Model: "25" Shockproof Movement: Mechanical Jewels: 25 Country: Swiss Gender: Unisex Product Measurements Diameter: 19. 5mm Diameter of dial: 20mm Length: 24mm Product Condition Vintage Waltham 25 jewel movements typically refer to Swiss made mechanical calibers utilized after the original American company ceased U. S. production in the late 1950s. These movements often feature Incabloc