Seiko 6138

AutomaticDiscontinuedIn-house
Family: 613x

Caliber 6138 is an automatic chronograph movement introduced by Seiko in 1969. An in-house development, it shares its architecture with the 6139B, recognized as Japan's first automatic chronograph. The movement powered Seiko's Speedtimer line of racing-style chronographs. It has been discontinued.

QUICK FACTS

BRAND

TYPE

Automatic

STATUS

Discontinued

MANUFACTURE

In-house

LAUNCH YEAR

1969

BASED ON

Seiko 6139B

CALIBER FAMILY

613x

ALSO KNOWN AS

cal. 6138seiko 6138

FOR WATCH DEALERS

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