Monday, July 26, 2021

A vintage Seiko 6139-6002 Pepsi

The first automatic chronograph in space was a Seiko 6139-6005 that was worn by Col. William Pogue on the SkyLab.  Closely related to the Pogue, the watch is not one but generally called a Pogue like other similar models is the 6139-6002. 

The dial features a single register with day and date complications. There is an external bezel that is fixed and in this case is colored red (faded) and blue. The colors earned it the Pepsi moniker like other watches with same color scheme (there's also a coke - red and black). There is an inner bezel that's supposed to rotate but this one's defective.

View showing the crown and chronograph buttons

The other side view showing the overall condition of the case.

Case back showing the model and serial numbers. The serial numbers indicate this watch to have been manufactured in November 1975. The model number shows the watch to have a Cal. 6139 running it. This is likely the Cal. 6139B that runs at 21,600 beats per hour.

This close-up shows the deterioration (discoloration?) on the dial.

Another close-up. The lumes on the hands and hour markers are no longer working.

Wrist shot the first time I wore the watch

This is another collectible and there are several models of the 6139 series that are sought after including what is  also called the Coke. I have yet to get one of that model of the 6139.

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