Model referencecal. 5645medium confidence

56GAW-088

grand seiko · catalogued in 1972

Identifiers

Caliber: 5645

From the catalogue

List price: ¥290,000
Specs: gold · 18K · auto · day-date

18K gold case + bracelet, white dial; caliber inferred 56xx

Appears in

1972 Seiko Luxuryp.0