The new Evolution 9 Style collection is a modern design grammar from Grand Seiko. 
Unique design, easy time reading and perfect ergonomics, due to the correct distribution of the center of gravity, the watch does not spin on the hand, it is comfortable to wear for both small and large wrists
The SLGA023 is equipped with the latest 9RA5 spring-operated mechanism with a power reserve of 120 hours (5 days) and improved accuracy of ±10 seconds per month.
As an island nation, Japan is endowed with extremely rich marine resources due to currents such as the Kuroshio and Oyashio Currents, one of the largest currents in the world, flowing along the coast and colliding with each other. The dial pattern reflects the dynamic fluctuations of the waves, which, thanks to the precise finish, allow you to feel the enormous power of the ocean current.