Ultra Precision Quartz
Calibre 9F85
Caliber 9F85 features a time difference adjustment function that allows the hour hand to be adjusted without stopping the seconds hand and thus preserving its high precision when the wearer changes time zones.
Specifications
| Accuracy | ±10 seconds per year |
|---|---|
| Battery life | Approximately 3 years |
| Features | -Quick correction function of time difference adjusting to a calendar
-Date display -Instant date change function -Hacking function |
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.
