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
“TENTAGRAPH" = “TEN beat", “Three days", “Automatic", “ChronoGRAPH” = three days, automatic, chronograph
The SLGC001 is the first Grand Seiko mechanical chronograph equipped with a stopwatch function.
The caliber 9 SP5 with a double pulse trigger, symbolizing the next generation of Grand Seiko, is equipped with a chronograph with a high frequency of 10 vibrations per second. This is the only hi-beat chronograph in the world that works for about 72 hours (about 3 days) at maximum factory.
The dial expresses the majestic mountainous surface of Mount Iwate