Vintage 1964 Seiko 828960 Sportsmatic Calendar Automatic Watch

For sale is a Vintage 1964 Seiko 828960 Sportsmatic Calendar Automatic Watch

Movement: Mechanical (Automatic)

Condition: Used

Strap: Aftermarket nylon

Box: None

Warranty card: None

Manual: None

Service history unknown but running and keeping time on timegrapher.

Approximate measurements:

Case diameter: 36.5mm (excluding crown)

Lug width: 18mm

Lug to lug: 43mm

Thickness: 11.6mm