Model referencecal. 6138low confidence

61SPN-012

5 sports (speed-timer chrono) · catalogued in 1974

Identifiers

Caliber: 6138

From the catalogue

Jewels: 21
List price: 21,000円
Specs: SS/WP/auto/MB/chrono

automatic chronograph, day-date

Appears in

1974 Seiko Catalog Vol.2p.28