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The Index — Vintage watches, decoded.References, dials and variants up to 2000

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Impressum Datenschutz

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Seiko Chronograph 6139-6020 · The Index

Brands
Seiko
Chronograph
6139-6020

Chronograph 6139-6020

c. 1972–c. 1979

Years estimated from 3 dated marketplace listings; seller-stated, unverified.

Variants

No variants documented yet.

Reference specifications

Brand: Seiko
Model: Chronograph
Reference: 6139-6020
Production: c. 1972–c. 1979
Case diameter: 40 mm

Specs shared by all variants. Variant pages show where a variant differs.

All Chronograph references

Previous reference7018-7000

Next reference6139-6040