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Seiko

Seiko 5 Sports Speed-Timer "Coke" 6139-6032

Seiko 5 Sports Speed-Timer "Coke" 6139-6032

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Brand

seiko

Diameter

41mm

Model

Chronograph

Year

1970 - 1979

Reference

6139-6032

Water resistant?

No

Movimento

Automatic

Case material

Steel

Specifications

Caliber 6139

Made in 1975

Approximate dimensions:

- 39mm (case without crown)

- 42mm (between claws)

- 19mm (bracelet fitting)

- 14mm (thickness)

Description

Vintage piece in excellent condition, showing small signs of use and time

Watch only, no original box or documentation

Steel bracelet for wrists up to approximately 18cm, with extender

Learn more

A chronograph with a lot of personality and an important chapter in watchmaking history: this Seiko 6139-6032 Speed-Timer is part of the brand's first generation of automatic chronographs, released at a time when Seiko was helping to revolutionize the market with high-performance automatic movements.

This example is a JDM (Japanese Domestic Market) version, meaning it was originally manufactured for the Japanese market, a detail that always catches collectors' attention. In addition, it features the rare "Coke" configuration, named after the striking combination of black and red on the outer ring, a highly sought-after variation that is increasingly difficult to find in good condition.

The seventies look is one of the main highlights. The angular-shaped steel case, typical of the 70s, delivers a strong presence on the wrist and pairs perfectly with the black dial, white subdial, and yellow central hand, creating a sporty and full-of-personality contrast that defines the Speed-Timer line very well.

Inside, the renowned 6139 automatic caliber with a column wheel and vertical clutch — an extremely advanced solution for the time — reinforces the model's technical importance. In excellent condition, this is a historic, collectible Seiko with a lot of charisma, one of those that combine design, rarity, and relevance in a single piece.

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