Head-to-Head Comparison

Seiko Prospex Alpinist vs Seiko Prospex Samurai SRPL13

Two divers compared — ~$620 vs ~$590

Quick Verdict

The Seiko Prospex Samurai SRPL13 (~$590) delivers Seiko In-House Automatic technology at $30 less than the Seiko Prospex Alpinist (~$620). The Prospex Alpinist justifies its premium with Made in Japan heritage and Automatic Caliber 6R35. Both represent excellent choices in the diver category.

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Seiko Prospex Alpinist

Seiko

Prospex Alpinist

~$620

Seiko Prospex Samurai SRPL13

Seiko

Prospex Samurai SRPL13

~$590

Specifications Compared

FeatureSeiko Prospex AlpinistSeiko Prospex Samurai SRPL13
Price~$620~$590
Case Size39.5mm43.8mm
MovementAutomatic Caliber 6R35Automatic Caliber 4R35
Caliber TypeIn-House Automatic ManufactureSeiko In-House Automatic
Power Reserve70 Hours41 Hours
Water Resistance200m (20 ATM)200m (20 ATM)
CrystalSapphire with CyclopsHardlex Crystal
Case MaterialStainless SteelStainless Steel
OriginMade in JapanMade in Japan

Category-by-Category Analysis

🎨

Design & Aesthetics

Edge: Draw

Seiko's design language vs Seiko's approach

⚙️

Movement & Performance

Edge: Seiko

Automatic Caliber 6R35 vs Automatic Caliber 4R35

📏

Wearability & Fit

Edge: Seiko

39.5mm vs 43.8mm — different wrist presence

💰

Value & Cost of Ownership

Edge: Seiko

Seiko is $30 more affordable

💧

Water Resistance

Edge: Draw

200m (20 ATM) vs 200m (20 ATM)

Our Verdict

Seiko

Prospex Alpinist

Choose the Seiko Prospex Alpinist if you prioritize In-House Automatic Manufacture engineering, Made in Japan craftsmanship, and 200m (20 ATM) water resistance. At ~$620, it delivers Automatic Caliber 6R35 with 70 Hours 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.

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The Bottom Line

The Seiko Prospex Alpinist and Seiko Prospex Samurai SRPL13 represent two distinct approaches to the diver category — the Seiko bringing Made in Japan tradition while Seiko delivers Made in Japan engineering.

Frequently Asked Questions