Head-to-Head Comparison

Updated September 5, 2026

Seiko Prospex Samurai SRPF03 vs Stauer 1920s Retrograde

Seiko's diver meets Stauer's dress watch

Quick Verdict

The Stauer 1920s Retrograde ($100–$150) delivers Quartz technology in the tier below the Seiko Prospex Samurai SRPF03 ($250–$500). The 1920s Retrograde measures 43mm and is rated 100m (10 ATM), as listed by Stauer. The Prospex Samurai SRPF03 justifies its premium with Japanese Movement heritage and Automatic Caliber 4R35. Both represent excellent choices in the luxury watch category.

SeikoProspex Samurai SRPF03$250–$500 Check price Stauer1920s Retrograde$100–$150 Check price

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Seiko

Prospex Samurai SRPF03

$250–$500

Check Price Full Review

Stauer

1920s Retrograde

$100–$150

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Specifications Compared

Feature	Seiko Prospex Samurai SRPF03	Stauer 1920s Retrograde
Price	$250–$500	$100–$150
Case Size	43.8mm	43mm
Movement	Automatic Caliber 4R35	Quartz
Caliber Type	Seiko Automatic, hand-winding and hacking	Quartz
Power Reserve	41 Hours	Battery
Water Resistance	200m (20 ATM)	100m (10 ATM), as listed by Stauer
Crystal	Hardlex Crystal	Mineral crystal
Case Material	Stainless Steel	Gold-tone stainless steel (listing photo shows a gold-tone finish; Amazon spec table says stainless steel)
Origin	Japanese Movement	Stauer (USA brand, imported)

Category-by-Category Analysis

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Design & Aesthetics

Edge: Draw

Seiko's design language vs Stauer's approach

The Seiko Prospex Samurai SRPF03 features a Stainless Steel case at 43.8mm with Hardlex Crystal protection. The Stauer 1920s Retrograde offers Gold-tone stainless steel (listing photo shows a gold-tone finish; Amazon spec table says stainless steel) construction at 43mm with Mineral crystal. Both represent their brand's distinct design philosophy and heritage.

⚙️

Movement & Performance

Edge: Seiko

Automatic Caliber 4R35 vs Quartz

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 1920s Retrograde uses the Quartz (Quartz, Battery reserve) at standard. The Prospex Samurai SRPF03 edges ahead on power reserve.

📏

Wearability & Fit

Edge: Stauer

43.8mm vs 43mm — different wrist presence

At 43.8mm, the Prospex Samurai SRPF03 has a bolder wrist presence compared to the 1920s Retrograde at 43mm. Water resistance differs: 200m (20 ATM) vs 100m (10 ATM), as listed by Stauer.

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Value & Cost of Ownership

Edge: Stauer

Stauer sits in the lower tier

The Seiko Prospex Samurai SRPF03 sits at $250–$500 and the Stauer 1920s Retrograde at $100–$150. On the specs that outlast any price: the Prospex Samurai SRPF03 uses Hardlex Crystal with 41 Hours, against Mineral crystal and Battery on the 1920s Retrograde. Service intervals are typically 5-7 years for both.

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Water Resistance

Edge: Seiko

200m (20 ATM) vs 100m (10 ATM), as listed by Stauer

The Prospex Samurai SRPF03 is rated to 200m (20 ATM) while the 1920s Retrograde handles 100m (10 ATM), as listed by Stauer. 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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Stauer

1920s Retrograde

Choose the Stauer 1920s Retrograde if you value Quartz technology, Stauer (USA brand, imported) heritage, and 43mm proportions. At $100–$150, the Quartz with Battery power reserve makes it a compelling choice.

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The Bottom Line

The Seiko Prospex Samurai SRPF03 and Stauer 1920s Retrograde represent two distinct approaches to fine watchmaking — the Seiko bringing Japanese Movement tradition while Stauer delivers Stauer (USA brand, imported) engineering.

Frequently Asked Questions

The Seiko Prospex Samurai SRPF03 is the better buy if you want a mechanical movement; the Stauer 1920s Retrograde is the better buy if you want quartz accuracy with no servicing. For water, the Seiko Prospex Samurai SRPF03 is rated 200 m against 100 m, which is the difference between swimming and diving on one side and splashes on the other. On price, the Stauer 1920s Retrograde sits a band lower ($100–$150 against $250–$500), so it is the cheaper way into the category. Neither is better at everything; the spec table above shows movement, case size, water resistance and crystal side by side so you can weigh what matters to you. We do not test units, so this is the makers' data, not a bench result.

The Stauer 1920s Retrograde offers better upfront value, sitting a tier lower at $100–$150. 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 1920s Retrograde at 43mm with 100m (10 ATM), as listed by Stauer is similarly capable. The Prospex Samurai SRPF03 uses Hardlex Crystal while the 1920s Retrograde uses Mineral crystal.

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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.