Seiko 6138-8030 Automatic Chronograph

Seiko

Seiko 6138-8030 Automatic Chronograph

Seiko 6138-8030 Automatic Chronograph (reference SEIKO-6138-8030) — specifications, measurements, watch images and standardized wrist-fit previews for informed comparison.

A 40 mm chronograph watch with automatic movement (6138) and 70 m water resistance.

Best forWearers who enjoy a sporty chronograph layout and elapsed-time function.
Not ideal forBuyers who need a different size, complication set or strap format.

At a glance

ReferenceSEIKO-6138-8030
Production statusunknown
Watch technology InfoMechanical
DisplayAnalog
Movement InfoAutomatic
Calibre / operating system Info6138
Key features InfoDate, Day, Month, Chronograph
Case diameter Info40 mm
Thickness Info14 mm
Lug-to-lug Info44 mm
Water resistance70 m
OriginJapan
Price categoryPremium

Interactive position & score profile

Watch Radar and scores

See where this reference sits among the full WhichWatchFits database. Change the axes, hover or tap another watch, and open its detail page without changing this page URL.

Compare this watch
Loading Watch Radar…

Related references

Similar watches to explore

Each watch below includes the main reasons it is related. Use “Find alternatives” above when you want to rank by one specific priority.

See sources

Manufacturer and technical references used to verify this watch specification.

Specifications last verified: 2026-08-03.

Compare before choosing

Measurements tell only part of the story. Compare this watch with other selected references on the same standard wrist.

Back to comparison table