Head-to-Head Comparison

Citizen Tsuyosa Automatic (Green Dial) vs Seiko 5 Sports GMT SSK001

Citizen's timepiece meets Seiko's GMT watch

Quick Verdict

The Citizen Tsuyosa Automatic (Green Dial) (~$332) offers Citizen/Miyota In-House Automatic precision at $163 less than the Seiko 5 Sports GMT SSK001 (~$495). The 5 Sports GMT SSK001 counters with Made in Japan craftsmanship and 100m (10 ATM) water resistance. Both are exceptional watches for their respective price points.

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Citizen Tsuyosa Automatic (Green Dial)

Citizen

Tsuyosa Automatic (Green Dial)

~$332

Seiko 5 Sports GMT SSK001

Seiko

5 Sports GMT SSK001

~$495

Specifications Compared

FeatureCitizen Tsuyosa Automatic (Green Dial)Seiko 5 Sports GMT SSK001
Price~$332~$495
Case Size40mm42.5mm
MovementAutomatic Caliber 8210Automatic Caliber 4R34 (True GMT)
Caliber TypeCitizen/Miyota In-House AutomaticSeiko In-House Automatic GMT
Power Reserve40 Hours41 Hours
Water Resistance50m (5 ATM)100m (10 ATM)
CrystalSapphire Crystal with CyclopsHardlex Crystal
Case MaterialStainless SteelStainless Steel
OriginMade in JapanMade in Japan

Category-by-Category Analysis

🎨

Design & Aesthetics

Edge: Draw

Citizen's design language vs Seiko's approach

⚙️

Movement & Performance

Edge: Seiko

Automatic Caliber 8210 vs Automatic Caliber 4R34 (True GMT)

📏

Wearability & Fit

Edge: Citizen

40mm vs 42.5mm — different wrist presence

💰

Value & Cost of Ownership

Edge: Citizen

Citizen is $163 more affordable

💧

Water Resistance

Edge: Seiko

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

Our Verdict

Citizen

Tsuyosa Automatic (Green Dial)

Choose the Citizen Tsuyosa Automatic (Green Dial) if you prioritize Citizen/Miyota In-House Automatic engineering, Made in Japan craftsmanship, and 50m (5 ATM) water resistance. At ~$332, it delivers Automatic Caliber 8210 with 40 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 ~$495, the Automatic Caliber 4R34 (True GMT) with 41 Hours power reserve makes it a compelling choice.

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The Bottom Line

The Citizen Tsuyosa Automatic (Green Dial) and Seiko 5 Sports GMT SSK001 represent two distinct approaches to fine watchmaking — the Citizen bringing Made in Japan tradition while Seiko delivers Made in Japan engineering.

Frequently Asked Questions