SEIKO 6139-7020 JDM Speed-Timer

Champagne Dial JDM Chronograph — 1971

One of the three dial variations of the Seiko 5 Sports Speed-Timer 6139-7020.

Watch Details

Manufacturer
Seiko

Model
Seiko 5 Sports Speed-Timer 6139-7020

Movement
Seiko 6139B Automatic Chronograph

Case Size
41 × 46 mm

Production Date
February 1971

Bracelet
Nylon

Service
Full service in December 2023

Condition

The watch remains in excellent vintage condition and received a full service in December 2023. It runs reliably, and timegrapher results are available for reference.



    AVAILABLE WATCHES