Evolution 9 Collection Tentagraph Hi-Beat 36000 Automatic Chronograph

“Tentagraph”

Grand Seiko's first-ever mechanical chronograph, announced at Watches & Wonders 2023 and available from June 2023. The caliber 9SC5 (a 9SA5-based movement with an added chronograph module) beats at 10Hz yet still delivers roughly 72 hours of power reserve, paired with a black ceramic tachymeter…

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