An Eterna-Matic 5 Star 100 automatic wristwatch featuring a two-tone case with a gold-toned fluted bezel and a silver-toned dial. The dial is marked with the brand name, 100, and 5 STAR, and includes a date aperture at the 3 o'clock position and applied baton hour markers. The stainless steel case back is engraved with ETERNA-MATIC, 5 STAR, and serial number 5407307 around a stylized five-dot logo. The watch is fitted with a two-tone, jubilee-style replacement bracelet featuring a folding clasp signed SEIKO.
Watch was running & keeping time when it was cataloged.
Case diameter: 36 mm

The dial shows significant overall surface pitting and patina. Visible wear is present on the gold-toned finishes of the bezel and bracelet links. The crystal exhibits minor scuffing. The case and case back show scratches and surface wear consistent with age and use. The bracelet is a non-original replacement.