Released in the 1960s as an upgraded version of the original Champion series, the Seiko Champion Calendar 860 is a masterpiece of mid-century Japanese watchmaking. The case back features a crisp engraving of the famous Seiko Seahorse.

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Released in the 1960s as an upgraded version of the original Champion series, the Seiko Champion Calendar 860 is a masterpiece of mid-century Japanese watchmaking. The case back features a crisp engraving of the famous Seiko Seahorse.