± 2 sec/day
![± 2 sec/day](https://watchprofessoracademy.com/wp-content/uploads/2023/08/98ffc71a7030d14a3ceca67408d90b71.jpg)
The Grand Seiko “Very Fine Adjusted” standard was first introduced in 1969, achieving a mean daily rate of ±2sec per day. These V.F.A. watches were also guaranteed to be accurate to within one minute per month for the first two years of ownership.
Photo : TheGrandSeikoGuy