Head-to-Head Comparison

Updated September 5, 2026

Seiko Presage Cocktail Time vs Seiko 5 Sports GMT SSK001

Seiko's dress watch meets Seiko's GMT watch

Quick Verdict

The Seiko Presage Cocktail Time ($250–$500) and Seiko 5 Sports GMT SSK001 ($250–$500) are closely matched timepieces at similar price points. The Presage Cocktail Time emphasizes Seiko In-House Automatic engineering while the 5 Sports GMT SSK001 focuses on Made in Japan craftsmanship.

SeikoPresage Cocktail Time$250–$500 Check price Seiko5 Sports GMT SSK001$250–$500 Check price

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Seiko

Presage Cocktail Time

$250–$500

Check Price Full Review

Seiko

5 Sports GMT SSK001

$250–$500

Check Price Full Review

Specifications Compared

Feature	Seiko Presage Cocktail Time	Seiko 5 Sports GMT SSK001
Price	$250–$500	$250–$500
Case Size	40.5mm	42.5mm
Movement	Automatic Caliber 4R35	Automatic Caliber 4R34 (True GMT)
Caliber Type	Seiko In-House Automatic	Seiko In-House Automatic GMT
Power Reserve	41 Hours	41 Hours
Water Resistance	50m (5 ATM)	100m (10 ATM)
Crystal	Hardlex Crystal	Hardlex Crystal
Case Material	Stainless Steel	Stainless Steel
Origin	Made in Japan	Made in Japan

Category-by-Category Analysis

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Design & Aesthetics

Edge: Draw

Seiko's design language vs Seiko's approach

The Seiko Presage Cocktail Time features a Stainless Steel case at 40.5mm with Hardlex Crystal protection. The Seiko 5 Sports GMT SSK001 offers Stainless Steel construction at 42.5mm with Hardlex Crystal. Both represent their brand's distinct design philosophy and heritage.

⚙️

Movement & Performance

Edge: Draw

Automatic Caliber 4R35 vs Automatic Caliber 4R34 (True GMT)

The Presage Cocktail Time runs the Automatic Caliber 4R35 (Seiko In-House Automatic, 41 Hours power reserve) at 21,600 vph (3 Hz) frequency. The 5 Sports GMT SSK001 uses the Automatic Caliber 4R34 (True GMT) (Seiko In-House Automatic GMT, 41 Hours reserve) at 21,600 vph (3 Hz). Power reserves are closely matched.

📏

Wearability & Fit

Edge: Seiko

40.5mm vs 42.5mm — different wrist presence

At 40.5mm, the Presage Cocktail Time wears more compactly on smaller wrists compared to the 5 Sports GMT SSK001 at 42.5mm. Water resistance differs: 50m (5 ATM) vs 100m (10 ATM).

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Value & Cost of Ownership

Edge: Draw

Same tier — different value propositions

The Seiko Presage Cocktail Time sits at $250–$500 and the Seiko 5 Sports GMT SSK001 at $250–$500. On the specs that outlast any price: the Presage Cocktail Time uses Hardlex Crystal with 41 Hours, against Hardlex Crystal and 41 Hours on the 5 Sports GMT SSK001. Service intervals are typically 5-7 years for both.

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Water Resistance

Edge: Seiko

50m (5 ATM) vs 100m (10 ATM)

The Presage Cocktail Time is rated to 50m (5 ATM) while the 5 Sports GMT SSK001 handles 100m (10 ATM). The 5 Sports GMT SSK001 offers superior water resistance.

Our Verdict

Seiko

Presage Cocktail Time

Choose the Seiko Presage Cocktail Time if you prioritize Seiko In-House Automatic engineering, Made in Japan craftsmanship, and 50m (5 ATM) water resistance. At $250–$500, it delivers Automatic Caliber 4R35 with 41 Hours power reserve.

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Seiko

5 Sports GMT SSK001

Choose the Seiko 5 Sports GMT SSK001 if you value Seiko In-House Automatic GMT technology, Made in Japan heritage, and 42.5mm proportions. At $250–$500, the Automatic Caliber 4R34 (True GMT) with 41 Hours power reserve makes it a compelling choice.

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The Bottom Line

The Seiko Presage Cocktail Time and Seiko 5 Sports GMT SSK001 represent two distinct approaches to fine watchmaking — the Seiko bringing Made in Japan tradition while Seiko delivers Made in Japan engineering.

Frequently Asked Questions

For water, the Seiko 5 Sports GMT SSK001 is rated 100 m against 50 m, which is the difference between swimming and diving on one side and splashes on the other. 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.

Both are priced similarly, making this a question of preference rather than value. The Presage Cocktail Time emphasizes Seiko In-House Automatic technology while the 5 Sports GMT SSK001 prioritizes Seiko In-House Automatic GMT precision.

Both are suitable for daily wear. The Presage Cocktail Time at 40.5mm with 50m (5 ATM) water resistance handles everyday situations. The 5 Sports GMT SSK001 at 42.5mm with 100m (10 ATM) is similarly capable. Both use Hardlex 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.