"Introducing the Grand Seiko Tentagraph Chronograph Evolution 9 Watch"
Originally Published 2 years ago — by HODINKEE
Grand Seiko has introduced its first mechanical chronograph, the Tentagraph, which features a high-beat movement with a frequency of ten beats per second and a power reserve of three days. The watch has a titanium case with a ceramic bezel insert and a blue "Mt. Iwate" pattern dial. It is part of the Evolution 9 Collection and is put through rigorous testing for accuracy. The watch will be available in June 2023 for $13,700.