SEIKO 6139-6020 Pulsations

Brown Dial JDM Chronograph — 1970

Original vintage Seiko 6139-6020 Pulsations chronograph, produced in July 1970. Often referred to as the “Doctor’s Watch,” this model is one of the most distinctive versions of the Seiko 6139 series. The example shown here features the desirable brown dial, a particularly attractive and sought-after variation among collectors.

Watch Details

Manufacturer
Seiko

Model
Seiko 6139-6020 Pulsations

Movement
Seiko 6139A Automatic Chronograph

Case Size
41 × 46 mm

Production Date
July 1970

Bracelet
Leather

Service
Currently in service

Condition

The watch remains in excellent, all-original vintage condition. The chronograph functions correctly and resets precisely to 12, and the watch runs reliably.