Certina Vainqueur Ref. 40170-2 – Cal. 400 – circa 1952 Classic Swiss vintage wristwatch by Certina, model Vainqueur, reference 40170-2, dating from approximately 1952. The watch features a beautifully aged cream-silver dial with pronounced natural patina, applied gold-tone Arabic numerals and hour markers, and elegant gold-tone hands. A small seconds sub-dial is positioned at 6 o'clock, giving the watch a characteristic mid-century appearance. Inside is the Certina Caliber 400, a Swiss mechanical movement with manual winding and 15 jewels. The movement is marked “CERTINA 400 / 15 JEWELS” and features a traditional small-seconds layout. The Cal. 400 is a classic hand-wound movement characteristic of Certina watches from the early 1950s. The case is signed on the inside with Ref. 40170-2 and serial number 2166890. The reference and serial number are consistent with an early 1950s production date, approximately 1952. Case diameter: 33 mm excluding the crown. The watch has a classic round vintage case with a domed acrylic crystal. The case shows visible signs of age and wear consistent with its vintage character. The original-style crown is present. The watch is fitted with a black leather strap. Specifications: Brand: Certina Model: Vainqueur Reference: 40170-2 Serial number: 2166890 Approx. year: 1952 Movement: Certina Cal. 400 Jewels: 15 Winding: Manual Functions: Hours, minutes, small seconds Dial: Cream/silver tone with natural patina Hour markers: Applied gold-tone Arabic numerals and indices Crystal: Acrylic Case diameter: 33 mm excluding crown Strap: Leather Swiss Made Please note: The photographs form an integral part of the description and show the actual condition and details of the watch. Please carefully examine all photographs before bidding. Shipping: The watch will be shipped quickly and securely by DHL courier, with insurance included. A charming and authentic example of early 1950s Swiss watchmaking, particularly appealing to collectors of vintage Certina and classic manually wound watches.