A Caliber Featuring a Date Display with GMT Function

Caliber 9F86

In addition to having the same functionality as Caliber 9F85, Caliber 9F86 offers a GMT function.


Accuracy ±10 seconds per year
Battery life Approximately 3 years
Features -Instant date change mechanism
-Dual time function with 24-hour hand
-Quick correction function of time difference adjusting to a calendar

What makes 9F Quartz special?

The quartz watch, redefined to the Grand Seiko Standard. To meet the high standards of Grand Seiko, the 9F quartz movement has enhanced precision and durability, made possible by innovations in every aspect of the movement. This might well be the most advanced quartz movement in the world.