1940s Doxa Spillman Valjoux 22 dual tone dial

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For serious vintage chronograph collectors, the "Spillman" case represents the pinnacle of mid-century water-resistant design with its chunky architecture and sharp, faceted lugs. This 1940s Doxa houses the legendary manual-wind Valjoux 22 caliber within that heavy steel fortress. The watch is defined by its magnificent dual-tone dial, which catches the light in contrasting concentric sections, offering a masterclass in pre-war scientific tool layout.