Grand Seiko expands its Evolution 9 sports collection with the Tentagraph, its first mechanical chronograph.
The pursuit of precision is at the heart of the new Tentagraph, whose chronograph movement features the revolutionary high-beat Caliber 9SA5 as its base. Like Caliber 9SA5, the new Tentagraph Caliber 9SC5 beats 10 times per second, ensuring high accuracy. And, thanks to the twin barrels, this automatic caliber delivers 3-days of power reserve when fully wound, making Tentagraph the longest-running 10-beat chronograph.
This new addition to the 9S comes with High Intensity Titanium case and bracelet, black ceramics bezel and a deep blue Mt. Iwate patterned dial, signature of the Shizukuishi Watch Studio, home to all Grand Seiko mechanical 9S calibers.
Grand Seiko SLGC001 Tentagraph will be available from June 2023, at Grand Seiko Boutiques and selected Grand Seiko authorized retailers.
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