Brand: Seiko Model: King Seiko Chronometer Reference Number: 4420-9990 Year of Manufacture: May 1965 Case Material: Stainless Steel Movement: Manual-winding, Caliber 4420A Size: 42.5mm (length) x 36.5mm (width, excluding crown) x 11mm (thickness) Lug Width: 18mm Water Resistance: None This is a late-model King Seiko Chronometer, characterized by the "CHRONOMETER" text in block letters below the Seiko logo. It features a silver sunray dial with wide, multi-faceted dauphine hands and bar indices. A distinctive detail is the arrow-shaped tip of the second hand. The watch is equipped with a high-performance movement featuring a unique hacking mechanism (sickle-shaped lever). Condition: The dial is clean with no noticeable damage or deterioration. The exterior case shows some small scratches, and the plating on the medallion is peeling. The engraving on the case back remains clear, and the thick, rugged case retains its edges and volume, remaining in generally good condition. Performance: This watch has not been overhauled since it was acquired. A simple measurement shows a daily rate of approximately +30 seconds, a beat error of 1.3ms, and an amplitude of 224°. While an overhaul is recommended, the current performance is relatively stable.
Included Accessories: None (item only)
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