Vintage Bulova Tonneau-Cased Wristwatch with Speidel Expansion Band

This is a vintage Bulova wristwatch, likely dating from the mid-20th century, possibly the 1940s or 1950s, given its tonneau-shaped case, numeric dial, and small seconds sub-dial. The watch features a rectangular, tonneau-shaped case in a gold-tone metal, which appears to be either gold-filled or plated, rather than solid gold, showing some wear indicative of age. The dial is a light color, possibly cream or silver, with clear, dark Arabic numerals marking the hours. "BULOVA" is printed below the 12 o'clock position. There is a circular sub-dial for small seconds at the 6 o'clock position, with a textured or engine-turned appearance within its circumference. The hands are gold-toned, with a spade or leaf style for the hour and minute hands. The crystal appears to be domed or beveled and shows some signs of scratching or haziness consistent with its age. The winding crown is visible on the right side of the case and has a fluted edge. The watch is attached to a flexible, gold-toned expansion bracelet, commonly known as a Speidel band. The band is stamped "Speidel PAT 2689450," which corresponds to a patent filed in the early 1950s for an improved watch band clasp, further supporting the estimated age. The band exhibits some minor discoloration and possible stretching, typical of such vintage watch bracelets. Overall, the watch shows expected signs of wear and patina for an item of its age, including some scratching on the case and crystal, and general dulling of the metal finishes, but no major structural damage or repairs are apparent from the image. The craftsmanship appears to be of standard quality for a mass-produced, mid-range watch of its era.