Head-to-Head Comparison

Citizen Promaster Sea Eco-Drive Diver vs Citizen Tsuyosa Automatic (Green Dial)

Citizen's diver meets Citizen's timepiece

Quick Verdict

The Citizen Promaster Sea Eco-Drive Diver (~$290) offers Citizen Eco-Drive (Solar Quartz) precision at $42 less than the Citizen Tsuyosa Automatic (Green Dial) (~$332). The Tsuyosa Automatic (Green Dial) counters with Made in Japan craftsmanship and 50m (5 ATM) water resistance. Both are exceptional watches for their respective price points.

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Citizen Promaster Sea Eco-Drive Diver

Citizen

Promaster Sea Eco-Drive Diver

~$290

Citizen Tsuyosa Automatic (Green Dial)

Citizen

Tsuyosa Automatic (Green Dial)

~$332

Specifications Compared

FeatureCitizen Promaster Sea Eco-Drive DiverCitizen Tsuyosa Automatic (Green Dial)
Price~$290~$332
Case Size44mm40mm
MovementEco-Drive Caliber E168Automatic Caliber 8210
Caliber TypeCitizen Eco-Drive (Solar Quartz)Citizen/Miyota In-House Automatic
Power Reserve40 Hours
Water Resistance200m (20 ATM) ISO 642550m (5 ATM)
CrystalMineral CrystalSapphire Crystal with Cyclops
Case MaterialStainless SteelStainless Steel
OriginMade in JapanMade in Japan

Category-by-Category Analysis

🎨

Design & Aesthetics

Edge: Draw

Citizen's design language vs Citizen's approach

⚙️

Movement & Performance

Edge: Citizen

Eco-Drive Caliber E168 vs Automatic Caliber 8210

📏

Wearability & Fit

Edge: Citizen

44mm vs 40mm — different wrist presence

💰

Value & Cost of Ownership

Edge: Citizen

Citizen is $42 more affordable

💧

Water Resistance

Edge: Citizen

200m (20 ATM) ISO 6425 vs 50m (5 ATM)

Our Verdict

Citizen

Promaster Sea Eco-Drive Diver

Choose the Citizen Promaster Sea Eco-Drive Diver if you prioritize Citizen Eco-Drive (Solar Quartz) engineering, Made in Japan craftsmanship, and 200m (20 ATM) ISO 6425 water resistance. At ~$290, it delivers Eco-Drive Caliber E168 with solid power reserve.

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Citizen

Tsuyosa Automatic (Green Dial)

Choose the Citizen Tsuyosa Automatic (Green Dial) if you value Citizen/Miyota In-House Automatic technology, Made in Japan heritage, and 40mm proportions. At ~$332, the Automatic Caliber 8210 with 40 Hours power reserve makes it a compelling choice.

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The Bottom Line

The Citizen Promaster Sea Eco-Drive Diver and Citizen Tsuyosa Automatic (Green Dial) represent two distinct approaches to fine watchmaking — the Citizen bringing Made in Japan tradition while Citizen delivers Made in Japan engineering.

Frequently Asked Questions