The Grand Seiko caliber 3F81 is a Quartz movement. It is part of the 3FGS family of movements and it was introduced in 1992.
| Caliber | 3F81 |
| Type | Quartz |
| Family | 3FGS |
| Year | 1992 |
Grand Seiko watches with caliber 3f81
STGS007
Case reference: 3F81-0A10
Type: Quartz
Movement: 3F81
Case material: Stainless Steel
Year: 1992
STGS008
Case reference: 3F81-0A20
Type: Quartz
Movement: 3F81
Case material: Yellow Gold
Year: 1993
STGS009
Case reference: 3F81-0A30
Type: Quartz
Movement: 3F81
Case material: Stainless Steel
Year: 1993