Centrex Calendar Small Seconds – 21 Jewels – Antimagnetic – Swiss Mechanical Movement – Silver Two-Tone Dial – Vintage Men's Watch A charming vintage Centrex Calendar wristwatch from the 1950s, featuring a distinctive two-tone silver dial, elegant gold-tone applied hour markers and a classic mechanical movement with 21 jewels. This Swiss-made timepiece combines traditional watchmaking craftsmanship with refined mid-century design. Its unusual calendar display at 3 o'clock, small seconds subdial at 6 o'clock and decorative textured bezel give the watch a distinctive personality. The combination of its silver dial, geometric gold-tone indexes and vintage brown leather strap creates an elegant and collectible appearance, reflecting the character of Swiss mechanical watches from the post-war era. Technical Details Brand: Centrex Model: Calendar Small Seconds Gender: Men's Case Material: Chrome-plated metal Case Diameter: 33 mm (excluding crown) Crystal: Acrylic Dial: Two-tone silver dial with gold-tone applied hour markers Movement: Swiss mechanical, manual winding Jewels: 21 Functions: Hours, minutes, small seconds, date display Additional Features: Antimagnetic Calendar: Date window at 3 o'clock Small Seconds: Subdial at 6 o'clock Strap: Brown genuine leather, approximately 18 cm Water Resistance: Not tested for water resistance Box: Generic box included Condition: Grade B Condition Report The watch is in Grade B condition, showing signs of age and use. The chrome-plated case and caseback display scratches. The silver dial shows light ageing, while the acrylic crystal has minor marks. The brown leather strap shows signs of wear. Please examine all photos carefully, as they form part of the description and accurately reflect the watch's condition. Story & Heritage Centrex represents a fascinating chapter in the history of vintage Swiss watchmaking, when independent watch brands offered elegant mechanical timepieces combining technical reliability with distinctive design. During the 1950s, Swiss watchmakers increasingly incorporated practical complications such as calendar displays and small seconds indicators into everyday wristwatches. These features reflected an era when mechanical precision, functionality and refined aesthetics were essential elements of quality watchmaking. This Centrex Calendar embodies that tradition through its 21-jewel mechanical movement, antimagnetic designation and beautifully balanced dial. The geometric gold-tone hour markers, textured bezel and unusual date aperture give the watch a particularly attractive mid-century character. Today, vintage Centrex watches appeal to enthusiasts who appreciate lesser-known Swiss watchmaking names and the individuality of historical mechanical timepieces. A distinctive vintage Swiss watch for collectors of classic mechanical movements, calendar watches and elegant mid-century design. Internal Reference Number - SOA 47