Grand Seiko 4520-7000Model: Grand Seiko 4520 7000 Year: April 1963 Features: The Wear. Ive always loved vintage Grand Seikos, but the 4520 7000 was the first one I ever bought. Not just because its an early example of a 36,000 Hi Beat Grand Seiko, but its peculiar case architecture makes it hard to resist. Add a sunburned dial and a worn case, and it was an obvious choice for a vintage watch that could masquerade as my daily beater. The Availability. The 4520 7000 was
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