IWC Schaffhausen 1940s vintage Swiss watch – engineering precision masked by understated elegance

Description Vintage International Watch Co. (IWC) Schaffhausen dress watch Swiss Made! Manual-wind mechanical Swiss wristwatch from late 1940s Historical Context The Caliber 83 is a “transitional” movement—it represents the peak of IWC’s engineering before they shifted to more modern architectures like the Caliber 89 (which introduced central seconds). These watches are prized for their reliability and the “overbuilt” nature of the movement, which was high-grade enough to be used in British military watches during the war. IWC Schaffhausen Calibre 83 General Identification Manufacturer: International Watch Co. (IWC) Schaffhausen, Switzerland Model Type: Dress Watch (“Calatrava” style) Circa: 1946–1948 (Late WWII / Post-War Era) Case Material: Stainless Steel (Staybrite / Acier Inoxydable) Movement Profile Calibre: IWC Calibre 83 (Manual Wind) Movement Serial: 1130581 (Dated to approx. 1946/47) Technical Details: 12 lignes, small seconds at 6 o’clock, 15/17 jewels, Breguet overcoil hairspring. Finishing: Rhodium-plated bridges with circular graining and Côtes de Genève (Geneva Stripes). Case & Exterior Case Serial: 1172966 (Dated to approx. 1948) Hands: Original gold plated “Feuille” (Leaf) style. This provides a high-contrast aesthetic against the stainless steel case, a configuration often found in “De Luxe” variations of the Calibre 83. Dial: Original, non-refurbished champagne/silver dial with Arabic numerals and dot markers. Signed “International Watch Co. SCHAFFHAUSEN” in period-correct cursive. Dial Markers: Matching applied gold plated dot indices and Arabic numerals. Aesthetic Note: This “Two-Tone” face in a monochromatic steel case is a highly desirable configuration for Calibre 83 collectors, as it bridges the gap between the military Mark X and the high-end gold dress models. Crown: Correct knurled, unsigned steel crown. Condition Notes (Post-Overhaul) Status: Fully overhauled (2026) and functional. Timekeeping: Movement cleaned, lubricated with synthetic oils, and regulated. Aesthetics: Authentic age-related patina on the dial; case retains its original geometry with minor surface character marks consistent with age.   Comes with new Nagata leather strap included. This watch ships from ����Ukraine with tracking number Modes of payment: PayPal Credit Cards (VISA, MasterCard, American Express, Discover)   We guarantee that the item in this ad looks and works as advertised and offer money back guarantee on this. Swiss watches are known for their long history of precision engineering and repairable mechanical design. Switzerland became the center of watchmaking from the 16th century onward, developing a system of specialized workshops that perfected reliable movements, jewelled bearings, and accurate regulation. Over time, Swiss makers excelled at chronographs and complications, creating watches that could be serviced and kept running for decades rather than treated as disposable objects. “Swiss Made” is a legally protected label that indicates Swiss control over the movement, assembly, and final inspection, reinforcing a reputation for consistency and quality. Importantly, Swiss watches have always existed at many levels—from affordable tool watches using robust movements like Landeron or ETA, to high horology from brands such as Patek Philippe—so the reputation is not limited to luxury alone. International Watch Co. (IWC) ��️ Brand & History International Watch Co. (IWC) is one of the most intellectually respected manufacturers in the watch world, primarily because they approach watchmaking from an engineering perspective rather than a jewelry perspective. 1. The “American” Start (Schaffhausen vs. Geneva) IWC was founded in 1868 by Florentine Ariosto Jones, a watchmaker from Boston. His plan was daring: take modern American mass-production techniques and combine them with legendary Swiss craftsmanship. Most Swiss brands are located in Western Switzerland (near Geneva), but Jones chose Schaffhausen in the North. This was because he met an industrialist named Heinrich Moser who had built a hydroelectric plant on the Rhine Falls. Jones used that water power to run his factory machines—a move that fundamentally separated IWC from the “home-cottage” industry common in Switzerland at the time. 2. “Probus Scafusia” If you look at modern IWC crowns or movements, you’ll often see a small seal that says “Probus Scafusia.” This translates to “Good, solid craftsmanship from Schaffhausen.” * Unlike Geneva-based brands that focused on ornate decoration, IWC’s identity was built on over-engineering. They became famous for “form following function,” which is why their watches often look clean, legible, and “tool-like” compared to their contemporaries. 3. The Military “Dirty Dozen” Legend This watch is technically a sibling to one of the most famous military watches in history. During WWII, the British Ministry of Defence (MoD) needed a rugged, waterproof watch for soldiers and commissioned 12 companies to build them (the “Dirty Dozen”). IWC was one of those 12, and they used the Calibre 83 (the same movement in your photos) for their military model, the Mark X. Because IWC produced only about 6,000 of these military watches (compared to 25,000 from Omega), IWC is considered one of the “big three” of the Dirty Dozen, making any Calibre 83-powered watch highly collectible today. 4. Why Collectors Love Them IWC is often called “The Engineer’s Watch.” Owning a vintage IWC like this is seen as a “connoisseur’s choice.” It tells the world you value the mechanical integrity and the history of the movement inside as much as the brand name on the dial.