Head-to-Head Comparison

Oris Aquis Date Calibre 400 vs Seiko Prospex Samurai SRPL13

Two divers compared — ~$2,595 vs ~$590

Quick Verdict

The Seiko Prospex Samurai SRPL13 (~$590) delivers Seiko In-House Automatic technology at $2,005 less than the Oris Aquis Date Calibre 400 (~$2,595). The Aquis Date Calibre 400 justifies its premium with Swiss Made heritage and Automatic Calibre 400. Both represent excellent choices in the diver category.

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Oris Aquis Date Calibre 400

Oris

Aquis Date Calibre 400

~$2,595

Seiko Prospex Samurai SRPL13

Seiko

Prospex Samurai SRPL13

~$590

Specifications Compared

FeatureOris Aquis Date Calibre 400Seiko Prospex Samurai SRPL13
Price~$2,595~$590
Case Size41.5mm43.8mm
MovementAutomatic Calibre 400Automatic Caliber 4R35
Caliber TypeOris In-House ManufactureSeiko In-House Automatic
Power Reserve120 Hours (5 Days)41 Hours
Water Resistance300m (30 ATM)200m (20 ATM)
CrystalSapphire Crystal with Anti-Reflective CoatingHardlex Crystal
Case MaterialStainless SteelStainless Steel
OriginSwiss MadeMade in Japan

Category-by-Category Analysis

🎨

Design & Aesthetics

Edge: Draw

Oris's design language vs Seiko's approach

⚙️

Movement & Performance

Edge: Oris

Automatic Calibre 400 vs Automatic Caliber 4R35

📏

Wearability & Fit

Edge: Oris

41.5mm vs 43.8mm — different wrist presence

💰

Value & Cost of Ownership

Edge: Seiko

Seiko is $2,005 more affordable

💧

Water Resistance

Edge: Oris

300m (30 ATM) vs 200m (20 ATM)

Our Verdict

Oris

Aquis Date Calibre 400

Choose the Oris Aquis Date Calibre 400 if you prioritize Oris In-House Manufacture engineering, Swiss Made craftsmanship, and 300m (30 ATM) water resistance. At ~$2,595, it delivers Automatic Calibre 400 with 120 Hours (5 Days) power reserve.

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Seiko

Prospex Samurai SRPL13

Choose the Seiko Prospex Samurai SRPL13 if you value Seiko In-House Automatic technology, Made in Japan heritage, and 43.8mm proportions. At ~$590, the Automatic Caliber 4R35 with 41 Hours power reserve makes it a compelling choice.

Check Price on Amazon

The Bottom Line

The Oris Aquis Date Calibre 400 and Seiko Prospex Samurai SRPL13 represent two distinct approaches to the diver category — the Oris bringing Swiss Made tradition while Seiko delivers Made in Japan engineering.

Frequently Asked Questions