Seiko Prospex Samurai

Seiko · Prospex

Seiko Prospex Samurai

Seiko Prospex Samurai (reference SRPF03K1) — specifications, measurements, watch images and standardized wrist-fit previews for informed comparison.

Important dive option around €650, with 43.8 mm diameter and 48.7 mm lug-to-lug.

Best forBuyers comparing recognizable dive watches under €5,000.
Not ideal forBuyers requiring confirmed live dealer stock or exact street pricing.
Wearsmedium

At a glance

ReferenceSRPF03K1
CollectionProspex
Model lineProspex Samurai
Production statusCurrent
Official size43.8
Watch technology InfoMechanical
DisplayAnalog
Movement InfoAutomatic
Calibre / operating system Info4R35
Key features InfoDate, Dive bezel
Complication InfoNone
Illumination InfoYes
Case diameter Info43.8 mm
Thickness Info12.8 mm
Lug-to-lug Info48.7 mm
Power reserve / runtime41 hours
Water resistance200 m
OriginJapan
Recommended wrist Info14–20 cm
Price categoryAccessible

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Shared style: DiverSame movement typeSimilar case size

Strengths and considerations

Strengths

  • Recognizable model; useful comparison dimensions; broadly accessible price segment.

Considerations

  • Buyers who need a different size, complication set or strap format.
See sources

Manufacturer and technical references used to verify this watch specification.

Specifications last verified: 2026-08-03.

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