Seiko 6139-6002 “Pogue” (1970–1978) Blue Dial
Why It’s Famous
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First automatic chronograph worn in space
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Worn by Colonel William R. Pogue on Skylab 4 (1973–74)
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One of the earliest automatic chronographs ever produced
Seiko, Zenith, and Heuer/Breitling all released automatic chronographs in 1969 — the 6139 was among the very first.
Technical Details
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Movement: Seiko 6139 automatic chronograph
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Column wheel (high-quality chronograph architecture)
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Vertical clutch (advanced for its time)
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21 jewels
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30-minute chronograph
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Day/date (bilingual wheels common)
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~41mm case
The 6139 movement is historically important — it set the foundation for Seiko’s future chronograph development.
Dial Variations
Yellow Dial (Most Iconic)
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Bright “sunburst” yellow
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Blue Pepsi-style tachymeter bezel
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Red chronograph seconds hand
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The version most collectors call “Pogue”
Blue Dial
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Less famous but equally attractive
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Sometimes called “Blue Pogue”
The Space Story
Colonel Pogue bought his Seiko PX (military base exchange) watch before the mission.
He smuggled it into space as a personal backup chronograph.
It became:
The first automatic chronograph worn in space.
The actual flown watch later sold at auction for a significant premium.
Reference Numbers
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6139-6002 (U.S. market)
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6139-6005
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6139-6009 (JDM variants)
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Early models have “Proof/Proof” caseback & dial markings (more collectible)
Collector Market (2026 Rough Range)
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Good original example: $700 – $1,200
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Excellent, all-original: $1,500 – $2,500
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Early “Proof” models: Higher premium
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Fully restored or aftermarket parts: Much less desirable
Original bezel, dial, and handset are critical for value.
What to Watch Out For
The Pogue is heavily modified and “franken-watched.”
Check for:
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Correct inner tachymeter bezel (many replacements exist)
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Proper dial text layout
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Correct 6139 movement
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Original bracelet (H-link bracelet preferred)
Why Collectors Love It
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Space history
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True early automatic chronograph
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Bold 70s design
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Still relatively affordable compared to Swiss counterparts

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