Zenith "Stellina" manual-wind dress watch from the mid-1960s (circa 1964–1966). Mid-century classic dress watch with a gold-toned sunburst dial, applied baton markers, and the signature four-pointed Zenith star. The case back is stamped "Fond Acier Inoxydable" (Stainless Steel Back) and shows that the main case is 20 microns Gold Filled/Plated. Features a distinct, angled calendar window located uniquely between the 4 and 5 o'clock positions. The watch is powered by the in-house Zenith Calibre 2532C mechanical manual-winding mechanism with 19 jewels. and 21,600 vibrations per hour (vph).