Hands-On Debut: Grand Seiko Unveils the Tentagraph, Its First Mechanical Chronograph
Grand Seiko adds its first mechanical chronograph to the sporty Evolution 9 line: the Tentagraph. The name is composed of the first letters of the high beat rate (ten beats per second), its long power reserve (three days), and the automatic chronograph function (automatic chronograph). The blue dial features Grand Seiko’s signature “Mt. Iwate pattern,”...
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Mar 31, 2023 by Sabine Zwettler
