Head-to-Head Comparison

Seiko Prospex Samurai SRPF03 vs Timex Expedition Metal Field "Scout"

Seiko's diver meets Timex's field watch

Quick Verdict

The Timex Expedition Metal Field "Scout" ($50–$100) delivers Quartz (Battery) technology in the tier below the Seiko Prospex Samurai SRPF03 ($250–$500). The Expedition Metal Field "Scout" measures 40mm and is rated 50m (5 ATM). The Prospex Samurai SRPF03 justifies its premium with Japanese Movement heritage and Automatic Caliber 4R35. Both represent excellent choices in the luxury watch category.

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Seiko Prospex Samurai SRPF03

Seiko

Prospex Samurai SRPF03

$250–$500

Timex Expedition Metal Field "Scout"

Timex

Expedition Metal Field "Scout"

$50–$100

Specifications Compared

FeatureSeiko Prospex Samurai SRPF03Timex Expedition Metal Field "Scout"
Price$250–$500$50–$100
Case Size43.8mm40mm
MovementAutomatic Caliber 4R35Quartz (3-Hand, Date)
Caliber TypeSeiko Automatic, hand-winding and hackingQuartz (Battery)
Power Reserve41 HoursBattery
Water Resistance200m (20 ATM)50m (5 ATM)
CrystalHardlex CrystalMineral Glass
Case MaterialStainless SteelBrass (Gunmetal Finish)
OriginJapanese MovementTimex (USA Design)

Category-by-Category Analysis

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Design & Aesthetics

Edge: Draw

Seiko's design language vs Timex's approach

The Seiko Prospex Samurai SRPF03 features a Stainless Steel case at 43.8mm with Hardlex Crystal protection. The Timex Expedition Metal Field "Scout" offers Brass (Gunmetal Finish) construction at 40mm with Mineral Glass. Both represent their brand's distinct design philosophy and heritage.

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Movement & Performance

Edge: Seiko

Automatic Caliber 4R35 vs Quartz (3-Hand, Date)

The Prospex Samurai SRPF03 runs the Automatic Caliber 4R35 (Seiko Automatic, hand-winding and hacking, 41 Hours power reserve) at 21,600 vph (3 Hz) frequency. The Expedition Metal Field "Scout" uses the Quartz (3-Hand, Date) (Quartz (Battery), Battery reserve) at standard. The Prospex Samurai SRPF03 edges ahead on power reserve.

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Wearability & Fit

Edge: Timex

43.8mm vs 40mm — different wrist presence

At 43.8mm, the Prospex Samurai SRPF03 has a bolder wrist presence compared to the Expedition Metal Field "Scout" at 40mm. Water resistance differs: 200m (20 ATM) vs 50m (5 ATM).

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Value & Cost of Ownership

Edge: Timex

Timex sits in the lower tier

The Seiko Prospex Samurai SRPF03 sits at $250–$500 and the Timex Expedition Metal Field "Scout" at $50–$100. On the specs that outlast any price: the Prospex Samurai SRPF03 uses Hardlex Crystal with 41 Hours, against Mineral Glass and Battery on the Expedition Metal Field "Scout". Service intervals are typically 5-7 years for both.

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Water Resistance

Edge: Seiko

200m (20 ATM) vs 50m (5 ATM)

The Prospex Samurai SRPF03 is rated to 200m (20 ATM) while the Expedition Metal Field "Scout" handles 50m (5 ATM). The Prospex Samurai SRPF03 is better suited for water activities.

Our Verdict

Seiko

Prospex Samurai SRPF03

Choose the Seiko Prospex Samurai SRPF03 if you prioritize Seiko Automatic, hand-winding and hacking engineering, Japanese Movement craftsmanship, and 200m (20 ATM) water resistance. At $250–$500, it delivers Automatic Caliber 4R35 with 41 Hours power reserve.

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Timex

Expedition Metal Field "Scout"

Choose the Timex Expedition Metal Field "Scout" if you value Quartz (Battery) technology, Timex (USA Design) heritage, and 40mm proportions. At $50–$100, the Quartz (3-Hand, Date) with Battery power reserve makes it a compelling choice.

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The Bottom Line

The Seiko Prospex Samurai SRPF03 and Timex Expedition Metal Field "Scout" represent two distinct approaches to fine watchmaking — the Seiko bringing Japanese Movement tradition while Timex delivers Timex (USA Design) engineering.

Frequently Asked Questions

Neither is objectively better — they serve different preferences. The Seiko Prospex Samurai SRPF03 ($250–$500) offers Automatic Caliber 4R35 with 41 Hours power reserve, while the Timex Expedition Metal Field "Scout" ($50–$100) features Quartz (3-Hand, Date) with 50m (5 ATM) water resistance. Choose based on your priorities: Japanese Movement craftsmanship vs Timex (USA Design) engineering.
The Timex Expedition Metal Field "Scout" offers better upfront value, sitting a tier lower at $50–$100. However, the Seiko Prospex Samurai SRPF03 may justify its premium with superior finishing, heritage, or resale value.
Both are suitable for daily wear. The Prospex Samurai SRPF03 at 43.8mm with 200m (20 ATM) water resistance handles everyday situations. The Expedition Metal Field "Scout" at 40mm with 50m (5 ATM) is similarly capable. The Prospex Samurai SRPF03 uses Hardlex Crystal while the Expedition Metal Field "Scout" uses Mineral Glass.

How This Page Was Made

Our comparisons are generated from a hand-maintained specification database and reviewed under our editorial standards. We use AI tools to assemble pages from that data. We don’t invent specs: every number traces back to the database, and when we correct an entry, the fix is applied site-wide. As an Amazon Associate, The Horologist earns from qualifying purchases.