Grand Seiko's 9F movement, including GMT function - the perfect luxury watch for the international traveler
In line with Grand Seiko's traditional sources of inspiration, they developed in 1988 the 9F caliber: a Quartz movement that meets the highest Grand Seiko standard. This watch is part of the Sport Collection and includes the newest version of the 9F caliber, inclusive GMT function! This 9F86 caliber is part of a watch with sporty look and a comfortable fit. The screw locking crown also guarantees excellent airtightness, water resistance and durability.