Uploaded September 2020 | Updated September 2026, 1 hour ago

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Always pursuing the highest possible accuracy has the fundamental value of its timepieces, Grand Seiko introduced today its first-ever concept creation since the introduction of the first Grand Seiko in the 1960s. The new, revolutionary T0 (T-zero) Constant-force Tourbillon incorporates a fully integrated constant-force mechanism and tourbillon on the same axis for the first time in the world. Read more at timeandwatches.com/2020/09/grand-seiko-reveals-t0-constant-force.html