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A Unique Heartbeat: The Piece-Unique Grand Seiko Kodo Constant-Force Tourbillon SLGT001 | Grand Seiko
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No Longer a Concept: Grand Seiko's Constant-Force Tourbillon Movement Goes into Production with the All New Kodo - Worn & Wound
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Grand Seiko's first mechanical complication combines a constant-force mechanism and a tourbillon as one unit on a single axis. | Grand Seiko
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A new masterpiece from Credor. A tourbillon with three-dimensiona engraving and lacquer work inspired by the art of the Edo period | Seiko Watch Corporation
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