IWC | 18K Cal. 89IWC was founded in 1868 by American watchmaker Florentine Ariosto Jones in Schaffhausen, Switzerland. The Caliber 89, introduced in 1946, is one of IWCs most celebrated manual wind movements, known for its robustness, simplicity, and reliability. This movement was used extensively in IWCs dress watches from the late 1940s through the 1970s. Its durable construction and classic design have made it a favorite among collectors and enthusiasts. Watch