Our watches are pre-owned or vintage, unless stated otherwise. Their capacity to tell accurate time & manage power is consistent with available technology during their time of production.
Never experiment with a watch unless you are a watchmaker - Curiosity killed the watch! When unsure about setting features, please contact us!
All Original SEIKO Chronograph Sports Speed Timer 6139-8002 Flyback
This watch was SOLD on November 11, 2017 (Destination: N. Chesterfield, VA, U.S.A.).
![]() Year: 1970 - 1979 Accessories: none Crystal: glass Dial Width: 32 mm Dial Height: 32 mm |
Movement: 21 jewels automatic Case: stainless steel Case Width: 40 mm without crown Case Height: 42 mm with lugs Case Number: 100657, 6139-8002 Movement Number: 6139B Bracelet: stainless steel Bracelet Width: 18 mm Bracelet Length: 6 in (measures up to 7.75 in with case) |
This is an authentic Japanese-made 1970s SEIKO Sports Chronograph Speed Timer Automatic Watch with Day-Date.
- All Original SEIKO Watch!
- FEATURES: caliber 6139 Flyback CHRONOGRAPH, Raised Glass Crystal, Bakelite Bezel, All Steel, Day-Date
- STAINLESS STEEL: case, back, crowns, clasp & bracelet
- NOTES on the DIAL: The luminescent material on the hour markers may have been reapplied.
This watch keeps good time & is in good working condition! Add this to your collection of vintage quality timepieces!
The photos presented below are of the actual item for sale. Kindly study them carefully because what you see is what you will get. We try our best to describe watches as accurately as we can that's why we present them visually & literally. In case we missed a few points, you are welcome to ask questions.
For sale, is a 1970's SEIKO Sports Chronograph Speed Timer, which has retained its original manufactured parts & models a uniform steel body. Its dial is black with white, with orange & yellow accents.

Its caliber 6139 movement is the first automatic movement in space & features a single register chronograph with flyback feature!
In 1973, Colonel William "Bill" R. Pogue, an astronaut on the NASA Mission Skylab 4, wore his SEIKO 6139 automatic chronograph on board - making the SEIKO 6139 the first automatic watch in space!![]() This was revealed only in 2007, when an eagle-eyed watch collector found a photo of Colonel Pogue wearing his SEIKO during the mission. In 2008, he sold it on auction for $5975, the proceeds of which went to the Astronaut Scholarship Foundation. [Click the image to expand to full-view.] SOURCE [James Lamdin @ Dream Chrono(accessed August 16, 2017) • The "Colonel Pogue" Seiko 6139 • Retrieved from http://blog.dreamchrono.com/2013/11/seiko-6139-pogue] |

EXTERNAL CONDITION: This watch is in *EXCELLENT condition (88-92%): Evidence of use is visible to the unaided eye. Scratches are light, but more numerous than "near mint".
INTERNAL CONDITION: This watch is in *EXCELLENT condition (88-92%): Working perfectly, needs no repair or service.
*condition descriptives mainly based on the Timezone Grading System

stainless steel case
stainless steel bezel with original black bakelite insert/filler
matte black
dial

luminous white bar hour markers
NOTES on the DIAL: The luminescent material on the hour markers may have been reapplied.
black/white-coated hour/minute hands; yellow-coated second hand
day (kanji) & date
display window at 3 o'clock

painted white SEIKO
Sports name logo at 12 o'clock
painted white "JAPAN" at 7 o'clock
painted
white grid & sub-grid with orange accents

original SEIKO stainless steel crown & push-buttons
original SEIKO Raised Glass
Crystal

original SEIKO stainless steel bracelet
Bracelet Length: 6 in (measures up to 7.75 in with case)

original SEIKO stainless steel Fold-Over clasp

case
back embossed with SEIKO name & symbol logos, "JAPAN", "WATER RESISTANT", "STAINLESS STEEL" & serial numbers
We cannot guarantee the effectiveness of its waterproof closure because this watch is vintage


Japanese-made SEIKO
21 jewels automatic movement - tested by
our experienced technician