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Seiko vs Completedworks: similarities and differences

Compare brand traits, similarities and differences.

Reference brand: Seiko Swap brands

Seiko

Japan Founded 1881

Sporty & sportswear · Outdoor & functional · Polished & dressy

Completedworks

United Kingdom Founded 2013

Avant-garde & designer · Decoration & playfulness · Luxury & heritage

Similarities and differences

Shared traits

  • No shared traits are available.

Different traits

  • Sporty & sportswear

    Seiko shows a stronger emphasis

  • Outdoor & functional

    Seiko shows a stronger emphasis

This pair is not included in the similar brands recommendations.

Trait comparison

  • Seiko (solid line, circles)
  • Completedworks (dashed line, squares)
Traits of Seiko and Completedworks, shown relative to each brand.
How to read the chart

Traits farther from the centre are more prominent within each brand. The chart uses the same relative display as the brand profile. Area does not indicate brand quality or absolute differences between brands.

Traits by category

Bar lengths show how prominent each trait is within each brand.

  • Seiko
  • Completedworks
Minimal & basics
Seiko：Relative prominence within the brand
Completedworks：Relative prominence within the brand
Polished & dressy
Seiko：Relative prominence within the brand
Completedworks：Relative prominence within the brand
Luxury & heritage
Seiko：Relative prominence within the brand
Completedworks：Relative prominence within the brand
Avant-garde & designer
Seiko：Relative prominence within the brand
Completedworks：Relative prominence within the brand
Decoration & playfulness
Seiko：Relative prominence within the brand
Completedworks：Relative prominence within the brand
Streetwear
Seiko：Relative prominence within the brand
Completedworks：Relative prominence within the brand
Trends & youth culture
Seiko：Relative prominence within the brand
Completedworks：Relative prominence within the brand
Sporty & sportswear
Seiko：Relative prominence within the brand
Completedworks：Relative prominence within the brand
Outdoor & functional
Seiko：Relative prominence within the brand
Completedworks：Relative prominence within the brand

Basic information

Field
Seiko
Completedworks
Country Japan United Kingdom
Founded 1881 2013
Category Watches Accessories
Other categories Eyewear Lifestyle products Lifestyle products

— indicates information that is not available.

Brand profiles

Brand lines

Seiko

  • Seiko Prospex

    Seiko Prospex is a sports and professional collection officially offered by Seiko, centered on model...

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  • Seiko Presage

    Seiko Presage is a dress collection centered on mechanical movements, emphasizing Japanese aesthetic...

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  • Seiko Astron

    Seiko Astron is a high-performance line centered on GPS solar technology, offering models that combi...

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  • Seiko 5 Sports

    Seiko 5 Sports (Seiko 5) is a practical mechanical entry-level range that began in the 1960s, charac...

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  • King Seiko

    King Seiko is a luxury sub-line of Seiko that originated in the 1960s and is characterized by sharpl...

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  • Seiko Coutura

    Coutura is a collection that combines contemporary design with practical functions, offering feature...

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  • Seiko Lukia

    Lukia is a collection primarily aimed at female users, characterized by designs incorporating dial d...

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  • Seiko Brightz

    Brightz is a collection for business professionals, primarily developed for the domestic market, com...

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  • Seiko Galante

    Galante is a collection introduced in 2005 with the aim of expressing luxury. It was developed by co...

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  • Seiko Ananta

    Ananta was a high-end collection inspired by the refined aesthetics of Japanese swords, comprising p...

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Completedworks

No information is available.

Collaborations

Seiko

  • 2026-02-11

    fragment design

    A collaboration with fragment design, the “Metronome Watch Fragment Edition” was announced and released on 2026/02/11 as a special model with a metronome function.

  • 2021-06-17

    Rowing Blazers

    The Seiko 5 Sports collaboration with Rowing Blazers was officially announced on 2021/06/17. It introduced several limited editions, incorporating the brand’s icons into the colors and bezels.

  • 2021-01-15

    NEIGHBORHOOD

    A special-order model by NEIGHBORHOOD × Seiko Prospex. Announced on social media on 2021/01/10 and released exclusively in Japan on 2021/01/15. A diver-inspired model with NEIGHBORHOOD specifications, including an engraving on the case back.

  • 2020-03-20

    FREEMANS SPORTING CLUB

    The “Final Edition” is a special-order Prospex model by FREEMANS SPORTING CLUB. Limited-edition models in black tones, including SBDN067, were released on 2020/03/20.

  • 2019-02-09

    A BATHING APE

    A BATHING APE and Seiko’s “Mechanical Diver’s Watch.” The limited-edition diver’s watch, featuring BAPE’s ABC CAMO on the dial, has an automatic movement and is water-resistant to 200 m. It was released on 2019/02/09.

  • 2014-06-14

    White Mountaineering

    The White Mountaineering-exclusive “Riders Chronograph” was released around June 2017 as a limited model of approximately 700 pieces, incorporating a revival of a form derived from Giugiaro.

Seiko collaborations

Completedworks

  • 2026-02-21

    ASICS

    As part of Crafts for Mind, Completedworks will release a limited-edition collaboration reworking the GEL-KAYANO 20 on February 21, 2026. It redefines footwear from a jewelry-inspired perspective.

Completedworks collaborations

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Brands similar to Completedworks

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