6139

The yellow dialed version is an early one from July 1969 and the silver dial, made I believe for the Australian market only, is from April 1973.

This one is known as the “Sunrise.” From November 1972. Looks like it could have been manufactured yesterday! Some specs: The Seiko "Sunrise" is a 1970s Japanese domestic market (JDM) automatic chronograph, often featuring a vibrant teal-to-yellow gradien

Pulsograph scales are actually quite practical in a sense and generally much more useful in everyday life than tachymeter scales. I have two watches with them, albeit none a Seiko 😊🤷🏻‍♂️

The Seiko 6139-6020 "Pulsations" is a vintage 1970s "doctor's watch" featuring a 40mm stainless steel cushion case, a caliber 6139B automatic movement with 17 jewels and 21,600 bph, and a rotating inner "Base 10" bezel for calculating heart rates . Key fe

The Blue Pogue. Since I bought the Pogue reissue, I have been looking for a nice original example. This one was fully restored and is running perfectly. It does have an aftermarket bracelet. I would love to find an original tapered H-Link bracelet, which

Paired with it's original 19MM straight end link SEIKO branded Stelux President bracelet. Introduced in 1970 and produced until approximately 1979. Part of Seiko’s pioneering generation of integrated chronograph movements to feature a column wheel and ver

It’s a good time to reflect and give gratitude as we approach the Thanksgiving holiday. I’d like to acknowledge the many members who have encouraged and Yes, enabled me with the crazy obsession. I’ve been fortunate to make wonderful friends ( some that I’

Finally getting some decent wrist time.

On Chrono-Monday Have a good week.

Your post inspired me and I just put in an order for a Pogue reissue. I fondly recall that in 1969 at the earliest, or perhaps in the early 1970’s, when I was 8 or 9 years old, the father of a dear friend of mine had a 6139. I was always mesmerized by and