A beautiful vintage Swiss Certina watch from the early 1950s, reference 81101, featuring the sought-after Certina Caliber 321 manual-winding movement with 15 jewels. Original 33mm stainless steel case (excluding the crown), a beautiful size for an elegant vintage watch with a military/Calatrava-inspired design. The watch features a superb original black dial with applied gold Arabic numerals, gold hands, and a small seconds sub-dial at 6 o’clock. The warm, even patina of the dial gives it an authentic vintage charm that is particularly sought after. The Certina Caliber 321 movement visible in the photos is a Swiss-made caliber renowned for its precision and reliability. Sold with an original Certina box and a recent black leather strap. Specifications Brand: Certina Reference: 81101 Movement: Certina Caliber 321 Hand-wound 15 jewels Small seconds at 6 o’clock Period: circa 1953–1955 Stainless steel case Diameter: 33 mm excluding crown New black leather strap Original Certina box included Condition Very nice overall vintage condition. The dial features a beautiful, even vintage patina. Light, normal signs of wear and micro-scratches consistent with its age. Clean movement. The watch is currently running well, but a service is always recommended for an antique watch. Highlights Sought-after Certina Manufacture Caliber 321 Superb black gilt dial Elegant 1950s military/Calatrava style Original Certina box Beautiful, wearable 33 mm diameter Authentic, unrestored piece A very beautiful vintage Swiss collector’s watch, elegant and easy to wear daily. The watch was functioning at the time of testing / Future operation not guaranteed