Head-to-Head Comparison

Seiko 5 Sports GMT SSK001 vs Tissot Le Locle Powermatic 80

Seiko's GMT watch meets Tissot's dress watch

Quick Verdict

The Seiko 5 Sports GMT SSK001 (~$495) offers Seiko In-House Automatic GMT precision at $300 less than the Tissot Le Locle Powermatic 80 (~$795). The Le Locle Powermatic 80 counters with Swiss Made (Swatch Group) craftsmanship and 30m (3 ATM) water resistance. Both are exceptional watches for their respective price points.

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Seiko 5 Sports GMT SSK001

Seiko

5 Sports GMT SSK001

~$495

Tissot Le Locle Powermatic 80

Tissot

Le Locle Powermatic 80

~$795

Specifications Compared

FeatureSeiko 5 Sports GMT SSK001Tissot Le Locle Powermatic 80
Price~$495~$795
Case Size42.5mm39.3mm
MovementAutomatic Caliber 4R34 (True GMT)Powermatic 80.111
Caliber TypeSeiko In-House Automatic GMTETA-Based Automatic
Power Reserve41 Hours80 Hours
Water Resistance100m (10 ATM)30m (3 ATM)
CrystalHardlex CrystalSapphire Crystal
Case MaterialStainless SteelStainless Steel
OriginMade in JapanSwiss Made (Swatch Group)

Category-by-Category Analysis

🎨

Design & Aesthetics

Edge: Draw

Seiko's design language vs Tissot's approach

⚙️

Movement & Performance

Edge: Tissot

Automatic Caliber 4R34 (True GMT) vs Powermatic 80.111

📏

Wearability & Fit

Edge: Tissot

42.5mm vs 39.3mm — different wrist presence

💰

Value & Cost of Ownership

Edge: Seiko

Seiko is $300 more affordable

💧

Water Resistance

Edge: Seiko

100m (10 ATM) vs 30m (3 ATM)

Our Verdict

Seiko

5 Sports GMT SSK001

Choose the Seiko 5 Sports GMT SSK001 if you prioritize Seiko In-House Automatic GMT engineering, Made in Japan craftsmanship, and 100m (10 ATM) water resistance. At ~$495, it delivers Automatic Caliber 4R34 (True GMT) with 41 Hours power reserve.

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Tissot

Le Locle Powermatic 80

Choose the Tissot Le Locle Powermatic 80 if you value ETA-Based Automatic technology, Swiss Made (Swatch Group) heritage, and 39.3mm proportions. At ~$795, the Powermatic 80.111 with 80 Hours power reserve makes it a compelling choice.

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The Bottom Line

The Seiko 5 Sports GMT SSK001 and Tissot Le Locle Powermatic 80 represent two distinct approaches to fine watchmaking — the Seiko bringing Made in Japan tradition while Tissot delivers Swiss Made (Swatch Group) engineering.

Frequently Asked Questions